68364520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{244159}}^1$

素因数の和:244177

約数の個数: 32

約数和(自身を含む): 175795200

約数和(自身を除く): 107430680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 244159, 488318, 976636, 1220795, 1709113, 1953272, 2441590, 3418226, 4883180, 6836452, 8545565, 9766360, 13672904, 17091130, 34182260, 68364520]

約数ペア:

[(1, 68364520), (2, 34182260), (4, 17091130), (5, 13672904), (7, 9766360), (8, 8545565), (10, 6836452), (14, 4883180), (20, 3418226), (28, 2441590), (35, 1953272), (40, 1709113), (56, 1220795), (70, 976636), (140, 488318), (280, 244159)]