18110120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{64679}}^1$

素因数の和:64697

約数の個数: 32

約数和(自身を含む): 46569600

約数和(自身を除く): 28459480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 64679, 129358, 258716, 323395, 452753, 517432, 646790, 905506, 1293580, 1811012, 2263765, 2587160, 3622024, 4527530, 9055060, 18110120]

約数ペア:

[(1, 18110120), (2, 9055060), (4, 4527530), (5, 3622024), (7, 2587160), (8, 2263765), (10, 1811012), (14, 1293580), (20, 905506), (28, 646790), (35, 517432), (40, 452753), (56, 323395), (70, 258716), (140, 129358), (280, 64679)]