87305080

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1031}}^1$

素因数の和:1144

約数の個数: 64

約数和(自身を含む): 206193600

約数和(自身を除く): 118888520

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 73, 116, 145, 146, 232, 290, 292, 365, 580, 584, 730, 1031, 1160, 1460, 2062, 2117, 2920, 4124, 4234, 5155, 8248, 8468, 10310, 10585, 16936, 20620, 21170, 29899, 41240, 42340, 59798, 75263, 84680, 119596, 149495, 150526, 239192, 298990, 301052, 376315, 597980, 602104, 752630, 1195960, 1505260, 2182627, 3010520, 4365254, 8730508, 10913135, 17461016, 21826270, 43652540, 87305080]

約数ペア:

[(1, 87305080), (2, 43652540), (4, 21826270), (5, 17461016), (8, 10913135), (10, 8730508), (20, 4365254), (29, 3010520), (40, 2182627), (58, 1505260), (73, 1195960), (116, 752630), (145, 602104), (146, 597980), (232, 376315), (290, 301052), (292, 298990), (365, 239192), (580, 150526), (584, 149495), (730, 119596), (1031, 84680), (1160, 75263), (1460, 59798), (2062, 42340), (2117, 41240), (2920, 29899), (4124, 21170), (4234, 20620), (5155, 16936), (8248, 10585), (8468, 10310)]