15691640840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2729}}^1\times {\mathrm{3343}}^1$

素因数の和:6126

約数の個数: 64

約数和(自身を含む): 36151315200

約数和(自身を除く): 20459674360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 2729, 3343, 5458, 6686, 10916, 13372, 13645, 16715, 21832, 26744, 27290, 33430, 54580, 66860, 109160, 117347, 133720, 143749, 234694, 287498, 469388, 574996, 586735, 718745, 938776, 1149992, 1173470, 1437490, 2346940, 2874980, 4693880, 5749960, 9123047, 18246094, 36492188, 45615235, 72984376, 91230470, 182460940, 364921880, 392291021, 784582042, 1569164084, 1961455105, 3138328168, 3922910210, 7845820420, 15691640840]

約数ペア:

[(1, 15691640840), (2, 7845820420), (4, 3922910210), (5, 3138328168), (8, 1961455105), (10, 1569164084), (20, 784582042), (40, 392291021), (43, 364921880), (86, 182460940), (172, 91230470), (215, 72984376), (344, 45615235), (430, 36492188), (860, 18246094), (1720, 9123047), (2729, 5749960), (3343, 4693880), (5458, 2874980), (6686, 2346940), (10916, 1437490), (13372, 1173470), (13645, 1149992), (16715, 938776), (21832, 718745), (26744, 586735), (27290, 574996), (33430, 469388), (54580, 287498), (66860, 234694), (109160, 143749), (117347, 133720)]