231080

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:173

約数の個数: 32

約数和(自身を含む): 534600

約数和(自身を除く): 303520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 109, 212, 218, 265, 424, 436, 530, 545, 872, 1060, 1090, 2120, 2180, 4360, 5777, 11554, 23108, 28885, 46216, 57770, 115540, 231080]

約数ペア:

[(1, 231080), (2, 115540), (4, 57770), (5, 46216), (8, 28885), (10, 23108), (20, 11554), (40, 5777), (53, 4360), (106, 2180), (109, 2120), (212, 1090), (218, 1060), (265, 872), (424, 545), (436, 530)]