64731380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^2\times {\mathrm{103}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 159239808

約数和(自身を除く): 94508428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 103, 134, 140, 206, 268, 335, 412, 469, 515, 670, 721, 938, 1030, 1340, 1442, 1876, 2060, 2345, 2884, 3605, 4489, 4690, 6901, 7210, 8978, 9380, 13802, 14420, 17956, 22445, 27604, 31423, 34505, 44890, 48307, 62846, 69010, 89780, 96614, 125692, 138020, 157115, 193228, 241535, 314230, 462367, 483070, 628460, 924734, 966140, 1849468, 2311835, 3236569, 4623670, 6473138, 9247340, 12946276, 16182845, 32365690, 64731380]

約数ペア:

[(1, 64731380), (2, 32365690), (4, 16182845), (5, 12946276), (7, 9247340), (10, 6473138), (14, 4623670), (20, 3236569), (28, 2311835), (35, 1849468), (67, 966140), (70, 924734), (103, 628460), (134, 483070), (140, 462367), (206, 314230), (268, 241535), (335, 193228), (412, 157115), (469, 138020), (515, 125692), (670, 96614), (721, 89780), (938, 69010), (1030, 62846), (1340, 48307), (1442, 44890), (1876, 34505), (2060, 31423), (2345, 27604), (2884, 22445), (3605, 17956), (4489, 14420), (4690, 13802), (6901, 9380), (7210, 8978)]