155948240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{278479}}^1$

素因数の和:278499

約数の個数: 40

約数和(自身を含む): 414378240

約数和(自身を除く): 258430000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 278479, 556958, 1113916, 1392395, 1949353, 2227832, 2784790, 3898706, 4455664, 5569580, 7797412, 9746765, 11139160, 15594824, 19493530, 22278320, 31189648, 38987060, 77974120, 155948240]

約数ペア:

[(1, 155948240), (2, 77974120), (4, 38987060), (5, 31189648), (7, 22278320), (8, 19493530), (10, 15594824), (14, 11139160), (16, 9746765), (20, 7797412), (28, 5569580), (35, 4455664), (40, 3898706), (56, 2784790), (70, 2227832), (80, 1949353), (112, 1392395), (140, 1113916), (280, 556958), (560, 278479)]