30786540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{513109}}^1$

素因数の和:513121

約数の個数: 24

約数和(自身を含む): 86202480

約数和(自身を除く): 55415940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 513109, 1026218, 1539327, 2052436, 2565545, 3078654, 5131090, 6157308, 7696635, 10262180, 15393270, 30786540]

約数ペア:

[(1, 30786540), (2, 15393270), (3, 10262180), (4, 7696635), (5, 6157308), (6, 5131090), (10, 3078654), (12, 2565545), (15, 2052436), (20, 1539327), (30, 1026218), (60, 513109)]