120271280

素因数分解:

$2^4\times 5^1\times {\mathrm{421}}^1\times {\mathrm{3571}}^1$

素因数の和:4005

約数の個数: 40

約数和(自身を含む): 280373424

約数和(自身を除く): 160102144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 421, 842, 1684, 2105, 3368, 3571, 4210, 6736, 7142, 8420, 14284, 16840, 17855, 28568, 33680, 35710, 57136, 71420, 142840, 285680, 1503391, 3006782, 6013564, 7516955, 12027128, 15033910, 24054256, 30067820, 60135640, 120271280]

約数ペア:

[(1, 120271280), (2, 60135640), (4, 30067820), (5, 24054256), (8, 15033910), (10, 12027128), (16, 7516955), (20, 6013564), (40, 3006782), (80, 1503391), (421, 285680), (842, 142840), (1684, 71420), (2105, 57136), (3368, 35710), (3571, 33680), (4210, 28568), (6736, 17855), (7142, 16840), (8420, 14284)]