30642540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{510709}}^1$

素因数の和:510721

約数の個数: 24

約数和(自身を含む): 85799280

約数和(自身を除く): 55156740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 510709, 1021418, 1532127, 2042836, 2553545, 3064254, 5107090, 6128508, 7660635, 10214180, 15321270, 30642540]

約数ペア:

[(1, 30642540), (2, 15321270), (3, 10214180), (4, 7660635), (5, 6128508), (6, 5107090), (10, 3064254), (12, 2553545), (15, 2042836), (20, 1532127), (30, 1021418), (60, 510709)]