30856920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{257141}}^1$

素因数の和:257155

約数の個数: 32

約数和(自身を含む): 92571120

約数和(自身を除く): 61714200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 257141, 514282, 771423, 1028564, 1285705, 1542846, 2057128, 2571410, 3085692, 3857115, 5142820, 6171384, 7714230, 10285640, 15428460, 30856920]

約数ペア:

[(1, 30856920), (2, 15428460), (3, 10285640), (4, 7714230), (5, 6171384), (6, 5142820), (8, 3857115), (10, 3085692), (12, 2571410), (15, 2057128), (20, 1542846), (24, 1285705), (30, 1028564), (40, 771423), (60, 514282), (120, 257141)]