30918660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{515311}}^1$

素因数の和:515323

約数の個数: 24

約数和(自身を含む): 86572416

約数和(自身を除く): 55653756

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 515311, 1030622, 1545933, 2061244, 2576555, 3091866, 5153110, 6183732, 7729665, 10306220, 15459330, 30918660]

約数ペア:

[(1, 30918660), (2, 15459330), (3, 10306220), (4, 7729665), (5, 6183732), (6, 5153110), (10, 3091866), (12, 2576555), (15, 2061244), (20, 1545933), (30, 1030622), (60, 515311)]