71744580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{398581}}^1$

素因数の和:398596

約数の個数: 36

約数和(自身を含む): 217625772

約数和(自身を除く): 145881192

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 398581, 797162, 1195743, 1594324, 1992905, 2391486, 3587229, 3985810, 4782972, 5978715, 7174458, 7971620, 11957430, 14348916, 17936145, 23914860, 35872290, 71744580]

約数ペア:

[(1, 71744580), (2, 35872290), (3, 23914860), (4, 17936145), (5, 14348916), (6, 11957430), (9, 7971620), (10, 7174458), (12, 5978715), (15, 4782972), (18, 3985810), (20, 3587229), (30, 2391486), (36, 1992905), (45, 1594324), (60, 1195743), (90, 797162), (180, 398581)]