64972180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1231}}^1$

素因数の和:1289

約数の個数: 96

約数和(自身を含む): 173859840

約数和(自身を除く): 108887660

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 29, 35, 52, 58, 65, 70, 91, 116, 130, 140, 145, 182, 203, 260, 290, 364, 377, 406, 455, 580, 754, 812, 910, 1015, 1231, 1508, 1820, 1885, 2030, 2462, 2639, 3770, 4060, 4924, 5278, 6155, 7540, 8617, 10556, 12310, 13195, 16003, 17234, 24620, 26390, 32006, 34468, 35699, 43085, 52780, 64012, 71398, 80015, 86170, 112021, 142796, 160030, 172340, 178495, 224042, 249893, 320060, 356990, 448084, 464087, 499786, 560105, 713980, 928174, 999572, 1120210, 1249465, 1856348, 2240420, 2320435, 2498930, 3248609, 4640870, 4997860, 6497218, 9281740, 12994436, 16243045, 32486090, 64972180]

約数ペア:

[(1, 64972180), (2, 32486090), (4, 16243045), (5, 12994436), (7, 9281740), (10, 6497218), (13, 4997860), (14, 4640870), (20, 3248609), (26, 2498930), (28, 2320435), (29, 2240420), (35, 1856348), (52, 1249465), (58, 1120210), (65, 999572), (70, 928174), (91, 713980), (116, 560105), (130, 499786), (140, 464087), (145, 448084), (182, 356990), (203, 320060), (260, 249893), (290, 224042), (364, 178495), (377, 172340), (406, 160030), (455, 142796), (580, 112021), (754, 86170), (812, 80015), (910, 71398), (1015, 64012), (1231, 52780), (1508, 43085), (1820, 35699), (1885, 34468), (2030, 32006), (2462, 26390), (2639, 24620), (3770, 17234), (4060, 16003), (4924, 13195), (5278, 12310), (6155, 10556), (7540, 8617)]