123131320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2213}}^1$

素因数の和:2344

約数の個数: 64

約数和(自身を含む): 301281120

約数和(自身を除く): 178149800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 107, 130, 214, 260, 428, 520, 535, 856, 1070, 1391, 2140, 2213, 2782, 4280, 4426, 5564, 6955, 8852, 11065, 11128, 13910, 17704, 22130, 27820, 28769, 44260, 55640, 57538, 88520, 115076, 143845, 230152, 236791, 287690, 473582, 575380, 947164, 1150760, 1183955, 1894328, 2367910, 3078283, 4735820, 6156566, 9471640, 12313132, 15391415, 24626264, 30782830, 61565660, 123131320]

約数ペア:

[(1, 123131320), (2, 61565660), (4, 30782830), (5, 24626264), (8, 15391415), (10, 12313132), (13, 9471640), (20, 6156566), (26, 4735820), (40, 3078283), (52, 2367910), (65, 1894328), (104, 1183955), (107, 1150760), (130, 947164), (214, 575380), (260, 473582), (428, 287690), (520, 236791), (535, 230152), (856, 143845), (1070, 115076), (1391, 88520), (2140, 57538), (2213, 55640), (2782, 44260), (4280, 28769), (4426, 27820), (5564, 22130), (6955, 17704), (8852, 13910), (11065, 11128)]