64465840

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{751}}^1$

素因数の和:830

約数の個数: 80

約数和(自身を含む): 159454080

約数和(自身を除く): 94988240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 37, 40, 58, 74, 80, 116, 145, 148, 185, 232, 290, 296, 370, 464, 580, 592, 740, 751, 1073, 1160, 1480, 1502, 2146, 2320, 2960, 3004, 3755, 4292, 5365, 6008, 7510, 8584, 10730, 12016, 15020, 17168, 21460, 21779, 27787, 30040, 42920, 43558, 55574, 60080, 85840, 87116, 108895, 111148, 138935, 174232, 217790, 222296, 277870, 348464, 435580, 444592, 555740, 805823, 871160, 1111480, 1611646, 1742320, 2222960, 3223292, 4029115, 6446584, 8058230, 12893168, 16116460, 32232920, 64465840]

約数ペア:

[(1, 64465840), (2, 32232920), (4, 16116460), (5, 12893168), (8, 8058230), (10, 6446584), (16, 4029115), (20, 3223292), (29, 2222960), (37, 1742320), (40, 1611646), (58, 1111480), (74, 871160), (80, 805823), (116, 555740), (145, 444592), (148, 435580), (185, 348464), (232, 277870), (290, 222296), (296, 217790), (370, 174232), (464, 138935), (580, 111148), (592, 108895), (740, 87116), (751, 85840), (1073, 60080), (1160, 55574), (1480, 43558), (1502, 42920), (2146, 30040), (2320, 27787), (2960, 21779), (3004, 21460), (3755, 17168), (4292, 15020), (5365, 12016), (6008, 10730), (7510, 8584)]