38415540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{640259}}^1$

素因数の和:640271

約数の個数: 24

約数和(自身を含む): 107563680

約数和(自身を除く): 69148140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 640259, 1280518, 1920777, 2561036, 3201295, 3841554, 6402590, 7683108, 9603885, 12805180, 19207770, 38415540]

約数ペア:

[(1, 38415540), (2, 19207770), (3, 12805180), (4, 9603885), (5, 7683108), (6, 6402590), (10, 3841554), (12, 3201295), (15, 2561036), (20, 1920777), (30, 1280518), (60, 640259)]