1812781656

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{7237}}^1$

素因数の和:7334

約数の個数: 144

約数和(自身を含む): 5792426640

約数和(自身を除く): 3979644984

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 71, 72, 84, 98, 126, 142, 147, 168, 196, 213, 252, 284, 294, 392, 426, 441, 497, 504, 568, 588, 639, 852, 882, 994, 1176, 1278, 1491, 1704, 1764, 1988, 2556, 2982, 3479, 3528, 3976, 4473, 5112, 5964, 6958, 7237, 8946, 10437, 11928, 13916, 14474, 17892, 20874, 21711, 27832, 28948, 31311, 35784, 41748, 43422, 50659, 57896, 62622, 65133, 83496, 86844, 101318, 125244, 130266, 151977, 173688, 202636, 250488, 260532, 303954, 354613, 405272, 455931, 513827, 521064, 607908, 709226, 911862, 1027654, 1063839, 1215816, 1418452, 1541481, 1823724, 2055308, 2127678, 2836904, 3082962, 3191517, 3596789, 3647448, 4110616, 4255356, 4624443, 6165924, 6383034, 7193578, 8510712, 9248886, 10790367, 12331848, 12766068, 14387156, 18497772, 21580734, 25177523, 25532136, 28774312, 32371101, 36995544, 43161468, 50355046, 64742202, 75532569, 86322936, 100710092, 129484404, 151065138, 201420184, 226597707, 258968808, 302130276, 453195414, 604260552, 906390828, 1812781656]

約数ペア:

[(1, 1812781656), (2, 906390828), (3, 604260552), (4, 453195414), (6, 302130276), (7, 258968808), (8, 226597707), (9, 201420184), (12, 151065138), (14, 129484404), (18, 100710092), (21, 86322936), (24, 75532569), (28, 64742202), (36, 50355046), (42, 43161468), (49, 36995544), (56, 32371101), (63, 28774312), (71, 25532136), (72, 25177523), (84, 21580734), (98, 18497772), (126, 14387156), (142, 12766068), (147, 12331848), (168, 10790367), (196, 9248886), (213, 8510712), (252, 7193578), (284, 6383034), (294, 6165924), (392, 4624443), (426, 4255356), (441, 4110616), (497, 3647448), (504, 3596789), (568, 3191517), (588, 3082962), (639, 2836904), (852, 2127678), (882, 2055308), (994, 1823724), (1176, 1541481), (1278, 1418452), (1491, 1215816), (1704, 1063839), (1764, 1027654), (1988, 911862), (2556, 709226), (2982, 607908), (3479, 521064), (3528, 513827), (3976, 455931), (4473, 405272), (5112, 354613), (5964, 303954), (6958, 260532), (7237, 250488), (8946, 202636), (10437, 173688), (11928, 151977), (13916, 130266), (14474, 125244), (17892, 101318), (20874, 86844), (21711, 83496), (27832, 65133), (28948, 62622), (31311, 57896), (35784, 50659), (41748, 43422)]