68807480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{245741}}^1$

素因数の和:245759

約数の個数: 32

約数和(自身を含む): 176934240

約数和(自身を除く): 108126760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 245741, 491482, 982964, 1228705, 1720187, 1965928, 2457410, 3440374, 4914820, 6880748, 8600935, 9829640, 13761496, 17201870, 34403740, 68807480]

約数ペア:

[(1, 68807480), (2, 34403740), (4, 17201870), (5, 13761496), (7, 9829640), (8, 8600935), (10, 6880748), (14, 4914820), (20, 3440374), (28, 2457410), (35, 1965928), (40, 1720187), (56, 1228705), (70, 982964), (140, 491482), (280, 245741)]