261664440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2180537}}^1$

素因数の和:2180551

約数の個数: 32

約数和(自身を含む): 784993680

約数和(自身を除く): 523329240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2180537, 4361074, 6541611, 8722148, 10902685, 13083222, 17444296, 21805370, 26166444, 32708055, 43610740, 52332888, 65416110, 87221480, 130832220, 261664440]

約数ペア:

[(1, 261664440), (2, 130832220), (3, 87221480), (4, 65416110), (5, 52332888), (6, 43610740), (8, 32708055), (10, 26166444), (12, 21805370), (15, 17444296), (20, 13083222), (24, 10902685), (30, 8722148), (40, 6541611), (60, 4361074), (120, 2180537)]