13831320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1459}}^1$

素因数の和:1552

約数の個数: 64

約数和(自身を含む): 42048000

約数和(自身を除く): 28216680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1459, 1580, 1896, 2370, 2918, 3160, 4377, 4740, 5836, 7295, 8754, 9480, 11672, 14590, 17508, 21885, 29180, 35016, 43770, 58360, 87540, 115261, 175080, 230522, 345783, 461044, 576305, 691566, 922088, 1152610, 1383132, 1728915, 2305220, 2766264, 3457830, 4610440, 6915660, 13831320]

約数ペア:

[(1, 13831320), (2, 6915660), (3, 4610440), (4, 3457830), (5, 2766264), (6, 2305220), (8, 1728915), (10, 1383132), (12, 1152610), (15, 922088), (20, 691566), (24, 576305), (30, 461044), (40, 345783), (60, 230522), (79, 175080), (120, 115261), (158, 87540), (237, 58360), (316, 43770), (395, 35016), (474, 29180), (632, 21885), (790, 17508), (948, 14590), (1185, 11672), (1459, 9480), (1580, 8754), (1896, 7295), (2370, 5836), (2918, 4740), (3160, 4377)]