128002020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2133367}}^1$

素因数の和:2133379

約数の個数: 24

約数和(自身を含む): 358405824

約数和(自身を除く): 230403804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2133367, 4266734, 6400101, 8533468, 10666835, 12800202, 21333670, 25600404, 32000505, 42667340, 64001010, 128002020]

約数ペア:

[(1, 128002020), (2, 64001010), (3, 42667340), (4, 32000505), (5, 25600404), (6, 21333670), (10, 12800202), (12, 10666835), (15, 8533468), (20, 6400101), (30, 4266734), (60, 2133367)]