678660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11311}}^1$

素因数の和:11323

約数の個数: 24

約数和(自身を含む): 1900416

約数和(自身を除く): 1221756

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 11311, 22622, 33933, 45244, 56555, 67866, 113110, 135732, 169665, 226220, 339330, 678660]

約数ペア:

[(1, 678660), (2, 339330), (3, 226220), (4, 169665), (5, 135732), (6, 113110), (10, 67866), (12, 56555), (15, 45244), (20, 33933), (30, 22622), (60, 11311)]