2880870920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{8573}}^1$

素因数の和:8886

約数の個数: 64

約数和(自身を含む): 6716528640

約数和(自身を除く): 3835657720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 271, 310, 542, 620, 1084, 1240, 1355, 2168, 2710, 5420, 8401, 8573, 10840, 16802, 17146, 33604, 34292, 42005, 42865, 67208, 68584, 84010, 85730, 168020, 171460, 265763, 336040, 342920, 531526, 1063052, 1328815, 2126104, 2323283, 2657630, 4646566, 5315260, 9293132, 10630520, 11616415, 18586264, 23232830, 46465660, 72021773, 92931320, 144043546, 288087092, 360108865, 576174184, 720217730, 1440435460, 2880870920]

約数ペア:

[(1, 2880870920), (2, 1440435460), (4, 720217730), (5, 576174184), (8, 360108865), (10, 288087092), (20, 144043546), (31, 92931320), (40, 72021773), (62, 46465660), (124, 23232830), (155, 18586264), (248, 11616415), (271, 10630520), (310, 9293132), (542, 5315260), (620, 4646566), (1084, 2657630), (1240, 2323283), (1355, 2126104), (2168, 1328815), (2710, 1063052), (5420, 531526), (8401, 342920), (8573, 336040), (10840, 265763), (16802, 171460), (17146, 168020), (33604, 85730), (34292, 84010), (42005, 68584), (42865, 67208)]