399784080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1665767}}^1$

素因数の和:1665783

約数の個数: 40

約数和(自身を含む): 1239331392

約数和(自身を除く): 839547312

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1665767, 3331534, 4997301, 6663068, 8328835, 9994602, 13326136, 16657670, 19989204, 24986505, 26652272, 33315340, 39978408, 49973010, 66630680, 79956816, 99946020, 133261360, 199892040, 399784080]

約数ペア:

[(1, 399784080), (2, 199892040), (3, 133261360), (4, 99946020), (5, 79956816), (6, 66630680), (8, 49973010), (10, 39978408), (12, 33315340), (15, 26652272), (16, 24986505), (20, 19989204), (24, 16657670), (30, 13326136), (40, 9994602), (48, 8328835), (60, 6663068), (80, 4997301), (120, 3331534), (240, 1665767)]