15591340

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 33939360

約数和(自身を除く): 18348020

約数列:

[1, 2, 4, 5, 10, 20, 59, 73, 118, 146, 181, 236, 292, 295, 362, 365, 590, 724, 730, 905, 1180, 1460, 1810, 3620, 4307, 8614, 10679, 13213, 17228, 21358, 21535, 26426, 42716, 43070, 52852, 53395, 66065, 86140, 106790, 132130, 213580, 264260, 779567, 1559134, 3118268, 3897835, 7795670, 15591340]

約数ペア:

[(1, 15591340), (2, 7795670), (4, 3897835), (5, 3118268), (10, 1559134), (20, 779567), (59, 264260), (73, 213580), (118, 132130), (146, 106790), (181, 86140), (236, 66065), (292, 53395), (295, 52852), (362, 43070), (365, 42716), (590, 26426), (724, 21535), (730, 21358), (905, 17228), (1180, 13213), (1460, 10679), (1810, 8614), (3620, 4307)]