68607420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{163351}}^1$

素因数の和:163370

約数の個数: 48

約数和(自身を含む): 219545088

約数和(自身を除く): 150937668

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 163351, 326702, 490053, 653404, 816755, 980106, 1143457, 1633510, 1960212, 2286914, 2450265, 3267020, 3430371, 4573828, 4900530, 5717285, 6860742, 9801060, 11434570, 13721484, 17151855, 22869140, 34303710, 68607420]

約数ペア:

[(1, 68607420), (2, 34303710), (3, 22869140), (4, 17151855), (5, 13721484), (6, 11434570), (7, 9801060), (10, 6860742), (12, 5717285), (14, 4900530), (15, 4573828), (20, 3430371), (21, 3267020), (28, 2450265), (30, 2286914), (35, 1960212), (42, 1633510), (60, 1143457), (70, 980106), (84, 816755), (105, 653404), (140, 490053), (210, 326702), (420, 163351)]