2015156715

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{25391}}^1$

素因数の和:25460

約数の個数: 64

約数和(自身を含む): 3890460672

約数和(自身を除く): 1875303957

約数列:

[1, 3, 5, 11, 13, 15, 33, 37, 39, 55, 65, 111, 143, 165, 185, 195, 407, 429, 481, 555, 715, 1221, 1443, 2035, 2145, 2405, 5291, 6105, 7215, 15873, 25391, 26455, 76173, 79365, 126955, 279301, 330083, 380865, 837903, 939467, 990249, 1396505, 1650415, 2818401, 3630913, 4189515, 4697335, 4951245, 10334137, 10892739, 12213071, 14092005, 18154565, 31002411, 36639213, 51670685, 54463695, 61065355, 134343781, 155012055, 183196065, 403031343, 671718905, 2015156715]

約数ペア:

[(1, 2015156715), (3, 671718905), (5, 403031343), (11, 183196065), (13, 155012055), (15, 134343781), (33, 61065355), (37, 54463695), (39, 51670685), (55, 36639213), (65, 31002411), (111, 18154565), (143, 14092005), (165, 12213071), (185, 10892739), (195, 10334137), (407, 4951245), (429, 4697335), (481, 4189515), (555, 3630913), (715, 2818401), (1221, 1650415), (1443, 1396505), (2035, 990249), (2145, 939467), (2405, 837903), (5291, 380865), (6105, 330083), (7215, 279301), (15873, 126955), (25391, 79365), (26455, 76173)]