156972080

素因数分解:

$2^4\times 5^1\times {\mathrm{719}}^1\times {\mathrm{2729}}^1$

素因数の和:3461

約数の個数: 40

約数和(自身を含む): 365601600

約数和(自身を除く): 208629520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 719, 1438, 2729, 2876, 3595, 5458, 5752, 7190, 10916, 11504, 13645, 14380, 21832, 27290, 28760, 43664, 54580, 57520, 109160, 218320, 1962151, 3924302, 7848604, 9810755, 15697208, 19621510, 31394416, 39243020, 78486040, 156972080]

約数ペア:

[(1, 156972080), (2, 78486040), (4, 39243020), (5, 31394416), (8, 19621510), (10, 15697208), (16, 9810755), (20, 7848604), (40, 3924302), (80, 1962151), (719, 218320), (1438, 109160), (2729, 57520), (2876, 54580), (3595, 43664), (5458, 28760), (5752, 27290), (7190, 21832), (10916, 14380), (11504, 13645)]