68967920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1151}}^1$

素因数の和:1278

約数の個数: 80

約数和(自身を含む): 185131008

約数和(自身を除く): 116163088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 107, 112, 140, 214, 280, 428, 535, 560, 749, 856, 1070, 1151, 1498, 1712, 2140, 2302, 2996, 3745, 4280, 4604, 5755, 5992, 7490, 8057, 8560, 9208, 11510, 11984, 14980, 16114, 18416, 23020, 29960, 32228, 40285, 46040, 59920, 64456, 80570, 92080, 123157, 128912, 161140, 246314, 322280, 492628, 615785, 644560, 862099, 985256, 1231570, 1724198, 1970512, 2463140, 3448396, 4310495, 4926280, 6896792, 8620990, 9852560, 13793584, 17241980, 34483960, 68967920]

約数ペア:

[(1, 68967920), (2, 34483960), (4, 17241980), (5, 13793584), (7, 9852560), (8, 8620990), (10, 6896792), (14, 4926280), (16, 4310495), (20, 3448396), (28, 2463140), (35, 1970512), (40, 1724198), (56, 1231570), (70, 985256), (80, 862099), (107, 644560), (112, 615785), (140, 492628), (214, 322280), (280, 246314), (428, 161140), (535, 128912), (560, 123157), (749, 92080), (856, 80570), (1070, 64456), (1151, 59920), (1498, 46040), (1712, 40285), (2140, 32228), (2302, 29960), (2996, 23020), (3745, 18416), (4280, 16114), (4604, 14980), (5755, 11984), (5992, 11510), (7490, 9208), (8057, 8560)]