68267960

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{239}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 159235200

約数和(自身を除く): 90967240

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 193, 239, 296, 370, 386, 478, 740, 772, 956, 965, 1195, 1480, 1544, 1912, 1930, 2390, 3860, 4780, 7141, 7720, 8843, 9560, 14282, 17686, 28564, 35372, 35705, 44215, 46127, 57128, 70744, 71410, 88430, 92254, 142820, 176860, 184508, 230635, 285640, 353720, 369016, 461270, 922540, 1706699, 1845080, 3413398, 6826796, 8533495, 13653592, 17066990, 34133980, 68267960]

約数ペア:

[(1, 68267960), (2, 34133980), (4, 17066990), (5, 13653592), (8, 8533495), (10, 6826796), (20, 3413398), (37, 1845080), (40, 1706699), (74, 922540), (148, 461270), (185, 369016), (193, 353720), (239, 285640), (296, 230635), (370, 184508), (386, 176860), (478, 142820), (740, 92254), (772, 88430), (956, 71410), (965, 70744), (1195, 57128), (1480, 46127), (1544, 44215), (1912, 35705), (1930, 35372), (2390, 28564), (3860, 17686), (4780, 14282), (7141, 9560), (7720, 8843)]