68380020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{379889}}^1$

素因数の和:379904

約数の個数: 36

約数和(自身を含む): 207419940

約数和(自身を除く): 139039920

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 379889, 759778, 1139667, 1519556, 1899445, 2279334, 3419001, 3798890, 4558668, 5698335, 6838002, 7597780, 11396670, 13676004, 17095005, 22793340, 34190010, 68380020]

約数ペア:

[(1, 68380020), (2, 34190010), (3, 22793340), (4, 17095005), (5, 13676004), (6, 11396670), (9, 7597780), (10, 6838002), (12, 5698335), (15, 4558668), (18, 3798890), (20, 3419001), (30, 2279334), (36, 1899445), (45, 1519556), (60, 1139667), (90, 759778), (180, 379889)]