139572420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{178939}}^1$

素因数の和:178964

約数の個数: 48

約数和(自身を含む): 420866880

約数和(自身を除く): 281294460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 178939, 357878, 536817, 715756, 894695, 1073634, 1789390, 2147268, 2326207, 2684085, 3578780, 4652414, 5368170, 6978621, 9304828, 10736340, 11631035, 13957242, 23262070, 27914484, 34893105, 46524140, 69786210, 139572420]

約数ペア:

[(1, 139572420), (2, 69786210), (3, 46524140), (4, 34893105), (5, 27914484), (6, 23262070), (10, 13957242), (12, 11631035), (13, 10736340), (15, 9304828), (20, 6978621), (26, 5368170), (30, 4652414), (39, 3578780), (52, 2684085), (60, 2326207), (65, 2147268), (78, 1789390), (130, 1073634), (156, 894695), (195, 715756), (260, 536817), (390, 357878), (780, 178939)]