311891680

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{15349}}^1$

素因数の和:15491

約数の個数: 48

約数和(自身を含む): 742694400

約数和(自身を除く): 430802720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 2032, 2540, 4064, 5080, 10160, 15349, 20320, 30698, 61396, 76745, 122792, 153490, 245584, 306980, 491168, 613960, 1227920, 1949323, 2455840, 3898646, 7797292, 9746615, 15594584, 19493230, 31189168, 38986460, 62378336, 77972920, 155945840, 311891680]

約数ペア:

[(1, 311891680), (2, 155945840), (4, 77972920), (5, 62378336), (8, 38986460), (10, 31189168), (16, 19493230), (20, 15594584), (32, 9746615), (40, 7797292), (80, 3898646), (127, 2455840), (160, 1949323), (254, 1227920), (508, 613960), (635, 491168), (1016, 306980), (1270, 245584), (2032, 153490), (2540, 122792), (4064, 76745), (5080, 61396), (10160, 30698), (15349, 20320)]