15857360

素因数分解:

$2^4\times 5^1\times {\mathrm{379}}^1\times {\mathrm{523}}^1$

素因数の和:915

約数の個数: 40

約数和(自身を含む): 37036320

約数和(自身を除く): 21178960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 379, 523, 758, 1046, 1516, 1895, 2092, 2615, 3032, 3790, 4184, 5230, 6064, 7580, 8368, 10460, 15160, 20920, 30320, 41840, 198217, 396434, 792868, 991085, 1585736, 1982170, 3171472, 3964340, 7928680, 15857360]

約数ペア:

[(1, 15857360), (2, 7928680), (4, 3964340), (5, 3171472), (8, 1982170), (10, 1585736), (16, 991085), (20, 792868), (40, 396434), (80, 198217), (379, 41840), (523, 30320), (758, 20920), (1046, 15160), (1516, 10460), (1895, 8368), (2092, 7580), (2615, 6064), (3032, 5230), (3790, 4184)]