313627720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{857}}^1\times {\mathrm{1307}}^1$

素因数の和:2182

約数の個数: 64

約数和(自身を含む): 808030080

約数和(自身を除く): 494402360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 857, 1307, 1714, 2614, 3428, 4285, 5228, 5999, 6535, 6856, 8570, 9149, 10456, 11998, 13070, 17140, 18298, 23996, 26140, 29995, 34280, 36596, 45745, 47992, 52280, 59990, 73192, 91490, 119980, 182980, 239960, 365960, 1120099, 2240198, 4480396, 5600495, 7840693, 8960792, 11200990, 15681386, 22401980, 31362772, 39203465, 44803960, 62725544, 78406930, 156813860, 313627720]

約数ペア:

[(1, 313627720), (2, 156813860), (4, 78406930), (5, 62725544), (7, 44803960), (8, 39203465), (10, 31362772), (14, 22401980), (20, 15681386), (28, 11200990), (35, 8960792), (40, 7840693), (56, 5600495), (70, 4480396), (140, 2240198), (280, 1120099), (857, 365960), (1307, 239960), (1714, 182980), (2614, 119980), (3428, 91490), (4285, 73192), (5228, 59990), (5999, 52280), (6535, 47992), (6856, 45745), (8570, 36596), (9149, 34280), (10456, 29995), (11998, 26140), (13070, 23996), (17140, 18298)]