15863120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2179}}^1$

素因数の和:2212

約数の個数: 80

約数和(自身を含む): 45413760

約数和(自身を除く): 29550640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 2179, 3640, 4358, 7280, 8716, 10895, 15253, 17432, 21790, 28327, 30506, 34864, 43580, 56654, 61012, 76265, 87160, 113308, 122024, 141635, 152530, 174320, 198289, 226616, 244048, 283270, 305060, 396578, 453232, 566540, 610120, 793156, 991445, 1133080, 1220240, 1586312, 1982890, 2266160, 3172624, 3965780, 7931560, 15863120]

約数ペア:

[(1, 15863120), (2, 7931560), (4, 3965780), (5, 3172624), (7, 2266160), (8, 1982890), (10, 1586312), (13, 1220240), (14, 1133080), (16, 991445), (20, 793156), (26, 610120), (28, 566540), (35, 453232), (40, 396578), (52, 305060), (56, 283270), (65, 244048), (70, 226616), (80, 198289), (91, 174320), (104, 152530), (112, 141635), (130, 122024), (140, 113308), (182, 87160), (208, 76265), (260, 61012), (280, 56654), (364, 43580), (455, 34864), (520, 30506), (560, 28327), (728, 21790), (910, 17432), (1040, 15253), (1456, 10895), (1820, 8716), (2179, 7280), (3640, 4358)]