15707560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1231}}^1$

素因数の和:1282

約数の個数: 64

約数和(自身を含む): 39916800

約数和(自身を除く): 24209240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 1160, 1231, 1276, 1595, 2462, 2552, 3190, 4924, 6155, 6380, 9848, 12310, 12760, 13541, 24620, 27082, 35699, 49240, 54164, 67705, 71398, 108328, 135410, 142796, 178495, 270820, 285592, 356990, 392689, 541640, 713980, 785378, 1427960, 1570756, 1963445, 3141512, 3926890, 7853780, 15707560]

約数ペア:

[(1, 15707560), (2, 7853780), (4, 3926890), (5, 3141512), (8, 1963445), (10, 1570756), (11, 1427960), (20, 785378), (22, 713980), (29, 541640), (40, 392689), (44, 356990), (55, 285592), (58, 270820), (88, 178495), (110, 142796), (116, 135410), (145, 108328), (220, 71398), (232, 67705), (290, 54164), (319, 49240), (440, 35699), (580, 27082), (638, 24620), (1160, 13541), (1231, 12760), (1276, 12310), (1595, 9848), (2462, 6380), (2552, 6155), (3190, 4924)]