78399660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1306661}}^1$

素因数の和:1306673

約数の個数: 24

約数和(自身を含む): 219519216

約数和(自身を除く): 141119556

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1306661, 2613322, 3919983, 5226644, 6533305, 7839966, 13066610, 15679932, 19599915, 26133220, 39199830, 78399660]

約数ペア:

[(1, 78399660), (2, 39199830), (3, 26133220), (4, 19599915), (5, 15679932), (6, 13066610), (10, 7839966), (12, 6533305), (15, 5226644), (20, 3919983), (30, 2613322), (60, 1306661)]