80770760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{288467}}^1$

素因数の和:288485

約数の個数: 32

約数和(自身を含む): 207696960

約数和(自身を除く): 126926200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 288467, 576934, 1153868, 1442335, 2019269, 2307736, 2884670, 4038538, 5769340, 8077076, 10096345, 11538680, 16154152, 20192690, 40385380, 80770760]

約数ペア:

[(1, 80770760), (2, 40385380), (4, 20192690), (5, 16154152), (7, 11538680), (8, 10096345), (10, 8077076), (14, 5769340), (20, 4038538), (28, 2884670), (35, 2307736), (40, 2019269), (56, 1442335), (70, 1153868), (140, 576934), (280, 288467)]