318332280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{378967}}^1$

素因数の和:378988

約数の個数: 64

約数和(自身を含む): 1091427840

約数和(自身を除く): 773095560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 378967, 757934, 1136901, 1515868, 1894835, 2273802, 2652769, 3031736, 3789670, 4547604, 5305538, 5684505, 7579340, 7958307, 9095208, 10611076, 11369010, 13263845, 15158680, 15916614, 21222152, 22738020, 26527690, 31833228, 39791535, 45476040, 53055380, 63666456, 79583070, 106110760, 159166140, 318332280]

約数ペア:

[(1, 318332280), (2, 159166140), (3, 106110760), (4, 79583070), (5, 63666456), (6, 53055380), (7, 45476040), (8, 39791535), (10, 31833228), (12, 26527690), (14, 22738020), (15, 21222152), (20, 15916614), (21, 15158680), (24, 13263845), (28, 11369010), (30, 10611076), (35, 9095208), (40, 7958307), (42, 7579340), (56, 5684505), (60, 5305538), (70, 4547604), (84, 3789670), (105, 3031736), (120, 2652769), (140, 2273802), (168, 1894835), (210, 1515868), (280, 1136901), (420, 757934), (840, 378967)]