64138760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:247

約数の個数: 128

約数和(自身を含む): 174666240

約数和(自身を除く): 110527480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 41, 56, 70, 74, 82, 140, 148, 151, 164, 185, 205, 259, 280, 287, 296, 302, 328, 370, 410, 518, 574, 604, 740, 755, 820, 1036, 1057, 1148, 1208, 1295, 1435, 1480, 1510, 1517, 1640, 2072, 2114, 2296, 2590, 2870, 3020, 3034, 4228, 5180, 5285, 5587, 5740, 6040, 6068, 6191, 7585, 8456, 10360, 10570, 10619, 11174, 11480, 12136, 12382, 15170, 21140, 21238, 22348, 24764, 27935, 30340, 30955, 39109, 42280, 42476, 43337, 44696, 49528, 53095, 55870, 60680, 61910, 78218, 84952, 86674, 106190, 111740, 123820, 156436, 173348, 195545, 212380, 216685, 223480, 229067, 247640, 312872, 346696, 391090, 424760, 433370, 458134, 782180, 866740, 916268, 1145335, 1564360, 1603469, 1733480, 1832536, 2290670, 3206938, 4581340, 6413876, 8017345, 9162680, 12827752, 16034690, 32069380, 64138760]

約数ペア:

[(1, 64138760), (2, 32069380), (4, 16034690), (5, 12827752), (7, 9162680), (8, 8017345), (10, 6413876), (14, 4581340), (20, 3206938), (28, 2290670), (35, 1832536), (37, 1733480), (40, 1603469), (41, 1564360), (56, 1145335), (70, 916268), (74, 866740), (82, 782180), (140, 458134), (148, 433370), (151, 424760), (164, 391090), (185, 346696), (205, 312872), (259, 247640), (280, 229067), (287, 223480), (296, 216685), (302, 212380), (328, 195545), (370, 173348), (410, 156436), (518, 123820), (574, 111740), (604, 106190), (740, 86674), (755, 84952), (820, 78218), (1036, 61910), (1057, 60680), (1148, 55870), (1208, 53095), (1295, 49528), (1435, 44696), (1480, 43337), (1510, 42476), (1517, 42280), (1640, 39109), (2072, 30955), (2114, 30340), (2296, 27935), (2590, 24764), (2870, 22348), (3020, 21238), (3034, 21140), (4228, 15170), (5180, 12382), (5285, 12136), (5587, 11480), (5740, 11174), (6040, 10619), (6068, 10570), (6191, 10360), (7585, 8456)]