67556780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1279}}^1$

素因数の和:1446

約数の個数: 48

約数和(自身を含む): 150528000

約数和(自身を除く): 82971220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 139, 190, 278, 380, 556, 695, 1279, 1390, 2558, 2641, 2780, 5116, 5282, 6395, 10564, 12790, 13205, 24301, 25580, 26410, 48602, 52820, 97204, 121505, 177781, 243010, 355562, 486020, 711124, 888905, 1777810, 3377839, 3555620, 6755678, 13511356, 16889195, 33778390, 67556780]

約数ペア:

[(1, 67556780), (2, 33778390), (4, 16889195), (5, 13511356), (10, 6755678), (19, 3555620), (20, 3377839), (38, 1777810), (76, 888905), (95, 711124), (139, 486020), (190, 355562), (278, 243010), (380, 177781), (556, 121505), (695, 97204), (1279, 52820), (1390, 48602), (2558, 26410), (2641, 25580), (2780, 24301), (5116, 13205), (5282, 12790), (6395, 10564)]