66480760

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{257}}^1$

素因数の和:520

約数の個数: 64

約数和(自身を含む): 156038400

約数和(自身を除く): 89557640

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 223, 232, 257, 290, 446, 514, 580, 892, 1028, 1115, 1160, 1285, 1784, 2056, 2230, 2570, 4460, 5140, 6467, 7453, 8920, 10280, 12934, 14906, 25868, 29812, 32335, 37265, 51736, 57311, 59624, 64670, 74530, 114622, 129340, 149060, 229244, 258680, 286555, 298120, 458488, 573110, 1146220, 1662019, 2292440, 3324038, 6648076, 8310095, 13296152, 16620190, 33240380, 66480760]

約数ペア:

[(1, 66480760), (2, 33240380), (4, 16620190), (5, 13296152), (8, 8310095), (10, 6648076), (20, 3324038), (29, 2292440), (40, 1662019), (58, 1146220), (116, 573110), (145, 458488), (223, 298120), (232, 286555), (257, 258680), (290, 229244), (446, 149060), (514, 129340), (580, 114622), (892, 74530), (1028, 64670), (1115, 59624), (1160, 57311), (1285, 51736), (1784, 37265), (2056, 32335), (2230, 29812), (2570, 25868), (4460, 14906), (5140, 12934), (6467, 10280), (7453, 8920)]