78172140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1302869}}^1$

素因数の和:1302881

約数の個数: 24

約数和(自身を含む): 218882160

約数和(自身を除く): 140710020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1302869, 2605738, 3908607, 5211476, 6514345, 7817214, 13028690, 15634428, 19543035, 26057380, 39086070, 78172140]

約数ペア:

[(1, 78172140), (2, 39086070), (3, 26057380), (4, 19543035), (5, 15634428), (6, 13028690), (10, 7817214), (12, 6514345), (15, 5211476), (20, 3908607), (30, 2605738), (60, 1302869)]