9958980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{165983}}^1$

素因数の和:165995

約数の個数: 24

約数和(自身を含む): 27885312

約数和(自身を除く): 17926332

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 165983, 331966, 497949, 663932, 829915, 995898, 1659830, 1991796, 2489745, 3319660, 4979490, 9958980]

約数ペア:

[(1, 9958980), (2, 4979490), (3, 3319660), (4, 2489745), (5, 1991796), (6, 1659830), (10, 995898), (12, 829915), (15, 663932), (20, 497949), (30, 331966), (60, 165983)]