180406920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{3571}}^1$

素因数の和:4006

約数の個数: 64

約数和(自身を含む): 542658240

約数和(自身を除く): 362251320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 421, 842, 1263, 1684, 2105, 2526, 3368, 3571, 4210, 5052, 6315, 7142, 8420, 10104, 10713, 12630, 14284, 16840, 17855, 21426, 25260, 28568, 35710, 42852, 50520, 53565, 71420, 85704, 107130, 142840, 214260, 428520, 1503391, 3006782, 4510173, 6013564, 7516955, 9020346, 12027128, 15033910, 18040692, 22550865, 30067820, 36081384, 45101730, 60135640, 90203460, 180406920]

約数ペア:

[(1, 180406920), (2, 90203460), (3, 60135640), (4, 45101730), (5, 36081384), (6, 30067820), (8, 22550865), (10, 18040692), (12, 15033910), (15, 12027128), (20, 9020346), (24, 7516955), (30, 6013564), (40, 4510173), (60, 3006782), (120, 1503391), (421, 428520), (842, 214260), (1263, 142840), (1684, 107130), (2105, 85704), (2526, 71420), (3368, 53565), (3571, 50520), (4210, 42852), (5052, 35710), (6315, 28568), (7142, 25260), (8420, 21426), (10104, 17855), (10713, 16840), (12630, 14284)]