90417720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{3571}}^1$

素因数の和:3796

約数の個数: 64

約数和(自身を含む): 272615040

約数和(自身を除く): 182197320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 211, 422, 633, 844, 1055, 1266, 1688, 2110, 2532, 3165, 3571, 4220, 5064, 6330, 7142, 8440, 10713, 12660, 14284, 17855, 21426, 25320, 28568, 35710, 42852, 53565, 71420, 85704, 107130, 142840, 214260, 428520, 753481, 1506962, 2260443, 3013924, 3767405, 4520886, 6027848, 7534810, 9041772, 11302215, 15069620, 18083544, 22604430, 30139240, 45208860, 90417720]

約数ペア:

[(1, 90417720), (2, 45208860), (3, 30139240), (4, 22604430), (5, 18083544), (6, 15069620), (8, 11302215), (10, 9041772), (12, 7534810), (15, 6027848), (20, 4520886), (24, 3767405), (30, 3013924), (40, 2260443), (60, 1506962), (120, 753481), (211, 428520), (422, 214260), (633, 142840), (844, 107130), (1055, 85704), (1266, 71420), (1688, 53565), (2110, 42852), (2532, 35710), (3165, 28568), (3571, 25320), (4220, 21426), (5064, 17855), (6330, 14284), (7142, 12660), (8440, 10713)]