261628020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1453489}}^1$

素因数の和:1453504

約数の個数: 36

約数和(自身を含む): 793605540

約数和(自身を除く): 531977520

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1453489, 2906978, 4360467, 5813956, 7267445, 8720934, 13081401, 14534890, 17441868, 21802335, 26162802, 29069780, 43604670, 52325604, 65407005, 87209340, 130814010, 261628020]

約数ペア:

[(1, 261628020), (2, 130814010), (3, 87209340), (4, 65407005), (5, 52325604), (6, 43604670), (9, 29069780), (10, 26162802), (12, 21802335), (15, 17441868), (18, 14534890), (20, 13081401), (30, 8720934), (36, 7267445), (45, 5813956), (60, 4360467), (90, 2906978), (180, 1453489)]