128056740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{304897}}^1$

素因数の和:304916

約数の個数: 48

約数和(自身を含む): 409782912

約数和(自身を除く): 281726172

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 304897, 609794, 914691, 1219588, 1524485, 1829382, 2134279, 3048970, 3658764, 4268558, 4573455, 6097940, 6402837, 8537116, 9146910, 10671395, 12805674, 18293820, 21342790, 25611348, 32014185, 42685580, 64028370, 128056740]

約数ペア:

[(1, 128056740), (2, 64028370), (3, 42685580), (4, 32014185), (5, 25611348), (6, 21342790), (7, 18293820), (10, 12805674), (12, 10671395), (14, 9146910), (15, 8537116), (20, 6402837), (21, 6097940), (28, 4573455), (30, 4268558), (35, 3658764), (42, 3048970), (60, 2134279), (70, 1829382), (84, 1524485), (105, 1219588), (140, 914691), (210, 609794), (420, 304897)]