67964120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{242729}}^1$

素因数の和:242747

約数の個数: 32

約数和(自身を含む): 174765600

約数和(自身を除く): 106801480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 242729, 485458, 970916, 1213645, 1699103, 1941832, 2427290, 3398206, 4854580, 6796412, 8495515, 9709160, 13592824, 16991030, 33982060, 67964120]

約数ペア:

[(1, 67964120), (2, 33982060), (4, 16991030), (5, 13592824), (7, 9709160), (8, 8495515), (10, 6796412), (14, 4854580), (20, 3398206), (28, 2427290), (35, 1941832), (40, 1699103), (56, 1213645), (70, 970916), (140, 485458), (280, 242729)]