12140960

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{449}}^1$

素因数の和:490

約数の個数: 72

約数和(自身を含む): 31128300

約数和(自身を除く): 18987340

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 449, 520, 676, 845, 898, 1040, 1352, 1690, 1796, 2080, 2245, 2704, 3380, 3592, 4490, 5408, 5837, 6760, 7184, 8980, 11674, 13520, 14368, 17960, 23348, 27040, 29185, 35920, 46696, 58370, 71840, 75881, 93392, 116740, 151762, 186784, 233480, 303524, 379405, 466960, 607048, 758810, 933920, 1214096, 1517620, 2428192, 3035240, 6070480, 12140960]

約数ペア:

[(1, 12140960), (2, 6070480), (4, 3035240), (5, 2428192), (8, 1517620), (10, 1214096), (13, 933920), (16, 758810), (20, 607048), (26, 466960), (32, 379405), (40, 303524), (52, 233480), (65, 186784), (80, 151762), (104, 116740), (130, 93392), (160, 75881), (169, 71840), (208, 58370), (260, 46696), (338, 35920), (416, 29185), (449, 27040), (520, 23348), (676, 17960), (845, 14368), (898, 13520), (1040, 11674), (1352, 8980), (1690, 7184), (1796, 6760), (2080, 5837), (2245, 5408), (2704, 4490), (3380, 3592)]