15330760

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{787}}^1$

素因数の和:1285

約数の個数: 32

約数和(自身を含む): 34608960

約数和(自身を除く): 19278200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 787, 974, 1574, 1948, 2435, 3148, 3896, 3935, 4870, 6296, 7870, 9740, 15740, 19480, 31480, 383269, 766538, 1533076, 1916345, 3066152, 3832690, 7665380, 15330760]

約数ペア:

[(1, 15330760), (2, 7665380), (4, 3832690), (5, 3066152), (8, 1916345), (10, 1533076), (20, 766538), (40, 383269), (487, 31480), (787, 19480), (974, 15740), (1574, 9740), (1948, 7870), (2435, 6296), (3148, 4870), (3896, 3935)]