81556080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{339817}}^1$

素因数の和:339833

約数の個数: 40

約数和(自身を含む): 252824592

約数和(自身を除く): 171268512

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 339817, 679634, 1019451, 1359268, 1699085, 2038902, 2718536, 3398170, 4077804, 5097255, 5437072, 6796340, 8155608, 10194510, 13592680, 16311216, 20389020, 27185360, 40778040, 81556080]

約数ペア:

[(1, 81556080), (2, 40778040), (3, 27185360), (4, 20389020), (5, 16311216), (6, 13592680), (8, 10194510), (10, 8155608), (12, 6796340), (15, 5437072), (16, 5097255), (20, 4077804), (24, 3398170), (30, 2718536), (40, 2038902), (48, 1699085), (60, 1359268), (80, 1019451), (120, 679634), (240, 339817)]