641220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{10687}}^1$

素因数の和:10699

約数の個数: 24

約数和(自身を含む): 1795584

約数和(自身を除く): 1154364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 10687, 21374, 32061, 42748, 53435, 64122, 106870, 128244, 160305, 213740, 320610, 641220]

約数ペア:

[(1, 641220), (2, 320610), (3, 213740), (4, 160305), (5, 128244), (6, 106870), (10, 64122), (12, 53435), (15, 42748), (20, 32061), (30, 21374), (60, 10687)]