138538920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{88807}}^1$

素因数の和:88834

約数の個数: 64

約数和(自身を含む): 447592320

約数和(自身を除く): 309053400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 88807, 177614, 266421, 355228, 444035, 532842, 710456, 888070, 1065684, 1154491, 1332105, 1776140, 2131368, 2308982, 2664210, 3463473, 3552280, 4617964, 5328420, 5772455, 6926946, 9235928, 10656840, 11544910, 13853892, 17317365, 23089820, 27707784, 34634730, 46179640, 69269460, 138538920]

約数ペア:

[(1, 138538920), (2, 69269460), (3, 46179640), (4, 34634730), (5, 27707784), (6, 23089820), (8, 17317365), (10, 13853892), (12, 11544910), (13, 10656840), (15, 9235928), (20, 6926946), (24, 5772455), (26, 5328420), (30, 4617964), (39, 3552280), (40, 3463473), (52, 2664210), (60, 2308982), (65, 2131368), (78, 1776140), (104, 1332105), (120, 1154491), (130, 1065684), (156, 888070), (195, 710456), (260, 532842), (312, 444035), (390, 355228), (520, 266421), (780, 177614), (1560, 88807)]