15220640

素因数分解:

$2^5\times 5^1\times {\mathrm{251}}^1\times {\mathrm{379}}^1$

素因数の和:645

約数の個数: 48

約数和(自身を含む): 36197280

約数和(自身を除く): 20976640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 251, 379, 502, 758, 1004, 1255, 1516, 1895, 2008, 2510, 3032, 3790, 4016, 5020, 6064, 7580, 8032, 10040, 12128, 15160, 20080, 30320, 40160, 60640, 95129, 190258, 380516, 475645, 761032, 951290, 1522064, 1902580, 3044128, 3805160, 7610320, 15220640]

約数ペア:

[(1, 15220640), (2, 7610320), (4, 3805160), (5, 3044128), (8, 1902580), (10, 1522064), (16, 951290), (20, 761032), (32, 475645), (40, 380516), (80, 190258), (160, 95129), (251, 60640), (379, 40160), (502, 30320), (758, 20080), (1004, 15160), (1255, 12128), (1516, 10040), (1895, 8032), (2008, 7580), (2510, 6064), (3032, 5020), (3790, 4016)]