30684540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{511409}}^1$

素因数の和:511421

約数の個数: 24

約数和(自身を含む): 85916880

約数和(自身を除く): 55232340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 511409, 1022818, 1534227, 2045636, 2557045, 3068454, 5114090, 6136908, 7671135, 10228180, 15342270, 30684540]

約数ペア:

[(1, 30684540), (2, 15342270), (3, 10228180), (4, 7671135), (5, 6136908), (6, 5114090), (10, 3068454), (12, 2557045), (15, 2045636), (20, 1534227), (30, 1022818), (60, 511409)]