157486280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{743}}^1\times {\mathrm{757}}^1$

素因数の和:1518

約数の個数: 64

約数和(自身を含む): 406045440

約数和(自身を除く): 248559160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 743, 757, 1486, 1514, 2972, 3028, 3715, 3785, 5201, 5299, 5944, 6056, 7430, 7570, 10402, 10598, 14860, 15140, 20804, 21196, 26005, 26495, 29720, 30280, 41608, 42392, 52010, 52990, 104020, 105980, 208040, 211960, 562451, 1124902, 2249804, 2812255, 3937157, 4499608, 5624510, 7874314, 11249020, 15748628, 19685785, 22498040, 31497256, 39371570, 78743140, 157486280]

約数ペア:

[(1, 157486280), (2, 78743140), (4, 39371570), (5, 31497256), (7, 22498040), (8, 19685785), (10, 15748628), (14, 11249020), (20, 7874314), (28, 5624510), (35, 4499608), (40, 3937157), (56, 2812255), (70, 2249804), (140, 1124902), (280, 562451), (743, 211960), (757, 208040), (1486, 105980), (1514, 104020), (2972, 52990), (3028, 52010), (3715, 42392), (3785, 41608), (5201, 30280), (5299, 29720), (5944, 26495), (6056, 26005), (7430, 21196), (7570, 20804), (10402, 15140), (10598, 14860)]