207978660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1155437}}^1$

素因数の和:1155452

約数の個数: 36

約数和(自身を含む): 630869148

約数和(自身を除く): 422890488

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1155437, 2310874, 3466311, 4621748, 5777185, 6932622, 10398933, 11554370, 13865244, 17331555, 20797866, 23108740, 34663110, 41595732, 51994665, 69326220, 103989330, 207978660]

約数ペア:

[(1, 207978660), (2, 103989330), (3, 69326220), (4, 51994665), (5, 41595732), (6, 34663110), (9, 23108740), (10, 20797866), (12, 17331555), (15, 13865244), (18, 11554370), (20, 10398933), (30, 6932622), (36, 5777185), (45, 4621748), (60, 3466311), (90, 2310874), (180, 1155437)]