7721080

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^2$

素因数の和:188

約数の個数: 48

約数和(自身を含む): 18045720

約数和(自身を除く): 10324640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 67, 86, 134, 172, 215, 268, 335, 344, 430, 536, 670, 860, 1340, 1720, 2680, 2881, 4489, 5762, 8978, 11524, 14405, 17956, 22445, 23048, 28810, 35912, 44890, 57620, 89780, 115240, 179560, 193027, 386054, 772108, 965135, 1544216, 1930270, 3860540, 7721080]

約数ペア:

[(1, 7721080), (2, 3860540), (4, 1930270), (5, 1544216), (8, 965135), (10, 772108), (20, 386054), (40, 193027), (43, 179560), (67, 115240), (86, 89780), (134, 57620), (172, 44890), (215, 35912), (268, 28810), (335, 23048), (344, 22445), (430, 17956), (536, 14405), (670, 11524), (860, 8978), (1340, 5762), (1720, 4489), (2680, 2881)]