78817740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1313629}}^1$

素因数の和:1313641

約数の個数: 24

約数和(自身を含む): 220689840

約数和(自身を除く): 141872100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1313629, 2627258, 3940887, 5254516, 6568145, 7881774, 13136290, 15763548, 19704435, 26272580, 39408870, 78817740]

約数ペア:

[(1, 78817740), (2, 39408870), (3, 26272580), (4, 19704435), (5, 15763548), (6, 13136290), (10, 7881774), (12, 6568145), (15, 5254516), (20, 3940887), (30, 2627258), (60, 1313629)]