201680535

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2351}}^1$

素因数の和:2428

約数の個数: 64

約数和(自身を含む): 397393920

約数和(自身を除く): 195713385

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 43, 57, 95, 105, 129, 133, 215, 285, 301, 399, 645, 665, 817, 903, 1505, 1995, 2351, 2451, 4085, 4515, 5719, 7053, 11755, 12255, 16457, 17157, 28595, 35265, 44669, 49371, 82285, 85785, 101093, 134007, 223345, 246855, 303279, 312683, 505465, 670035, 707651, 938049, 1516395, 1563415, 1920767, 2122953, 3538255, 4690245, 5762301, 9603835, 10614765, 13445369, 28811505, 40336107, 67226845, 201680535]

約数ペア:

[(1, 201680535), (3, 67226845), (5, 40336107), (7, 28811505), (15, 13445369), (19, 10614765), (21, 9603835), (35, 5762301), (43, 4690245), (57, 3538255), (95, 2122953), (105, 1920767), (129, 1563415), (133, 1516395), (215, 938049), (285, 707651), (301, 670035), (399, 505465), (645, 312683), (665, 303279), (817, 246855), (903, 223345), (1505, 134007), (1995, 101093), (2351, 85785), (2451, 82285), (4085, 49371), (4515, 44669), (5719, 35265), (7053, 28595), (11755, 17157), (12255, 16457)]