72015100

素因数分解:

$2^2\times 5^2\times {\mathrm{720151}}^1$

素因数の和:720165

約数の個数: 18

約数和(自身を含む): 156272984

約数和(自身を除く): 84257884

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 720151, 1440302, 2880604, 3600755, 7201510, 14403020, 18003775, 36007550, 72015100]

約数ペア:

[(1, 72015100), (2, 36007550), (4, 18003775), (5, 14403020), (10, 7201510), (20, 3600755), (25, 2880604), (50, 1440302), (100, 720151)]