FACTORS

FACTORS(number,[transpose])
number
a whole number
transpose
Optional. 0 outputs to rows, 1 outputs to columns

FACTORS will return all the factors for a given number

lrobbo314

Well-known Member
Joined
Jul 14, 2008
Messages
3,957
Office Version
  1. 365
Platform
  1. Windows
FACTORS will return all the factors for a given number.

Excel Formula:
=LAMBDA(
    number,[transpose],
    LET(
        n,number,
        s,SEQUENCE(INT(SQRT(n))),
        t,MOD(n,s)=0,
        r,INT(BASE(t*(n/s),10)),
        fx,LAMBDA(x,FILTER(x,t)),
        f,UNIQUE(SORT(VSTACK(fx(s),fx(r)))),
            IF(transpose,
                TRANSPOSE(f),
                f
            )
        )
    )

FACTORS
ABCDEFGHIJ
1NumberFactor
211
3212
4313
54124
6515
761236
8717
981248
109139
111012510
1211111
13121234612
1413113
151412714
161513515
1716124816
1817117
19181236918
2019119
212012451020
222113721
2322121122
2423123
25241234681224
26251525
2726121326
282713927
292812471428
3029129
313012356101530
3231131
333212481632
3433131133
3534121734
363515735
3736123469121836
Sheet2
Cell Formulas
RangeFormula
A2:A101A2=SEQUENCE(100)
B2,B37:J37,B34:E36,B33:G33,B32:C32,B31:I31,B30:C30,B29:G29,B27:E28,B26:D26,B25:I25,B24:C24,B22:E23,B21:G21,B20:C20,B19:G19,B18:C18,B17:F17,B15:E16,B14:C14,B13:G13,B12:C12,B11:E11,B10:D10,B9:E9,B8:C8,B7:E7,B6:C6,B5:D5,B3:C4B2=FACTORS(A2,1)
Dynamic array formulas.
 
Upvote 0
It can be tried like this

=FILTER(SEQUENCE(,A2),MOD(A2,SEQUENCE(,A2))=0)
 

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