121650440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{661}}^1$

素因数の和:822

約数の個数: 64

約数和(自身を含む): 283124160

約数和(自身を除く): 161473720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 107, 172, 214, 215, 344, 428, 430, 535, 661, 856, 860, 1070, 1322, 1720, 2140, 2644, 3305, 4280, 4601, 5288, 6610, 9202, 13220, 18404, 23005, 26440, 28423, 36808, 46010, 56846, 70727, 92020, 113692, 141454, 142115, 184040, 227384, 282908, 284230, 353635, 565816, 568460, 707270, 1136920, 1414540, 2829080, 3041261, 6082522, 12165044, 15206305, 24330088, 30412610, 60825220, 121650440]

約数ペア:

[(1, 121650440), (2, 60825220), (4, 30412610), (5, 24330088), (8, 15206305), (10, 12165044), (20, 6082522), (40, 3041261), (43, 2829080), (86, 1414540), (107, 1136920), (172, 707270), (214, 568460), (215, 565816), (344, 353635), (428, 284230), (430, 282908), (535, 227384), (661, 184040), (856, 142115), (860, 141454), (1070, 113692), (1322, 92020), (1720, 70727), (2140, 56846), (2644, 46010), (3305, 36808), (4280, 28423), (4601, 26440), (5288, 23005), (6610, 18404), (9202, 13220)]