87912180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{488401}}^1$

素因数の和:488416

約数の個数: 36

約数和(自身を含む): 266667492

約数和(自身を除く): 178755312

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 488401, 976802, 1465203, 1953604, 2442005, 2930406, 4395609, 4884010, 5860812, 7326015, 8791218, 9768020, 14652030, 17582436, 21978045, 29304060, 43956090, 87912180]

約数ペア:

[(1, 87912180), (2, 43956090), (3, 29304060), (4, 21978045), (5, 17582436), (6, 14652030), (9, 9768020), (10, 8791218), (12, 7326015), (15, 5860812), (18, 4884010), (20, 4395609), (30, 2930406), (36, 2442005), (45, 1953604), (60, 1465203), (90, 976802), (180, 488401)]