256218144

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:383

約数の個数: 192

約数和(自身を含む): 837688320

約数和(自身を除く): 581470176

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 52, 56, 78, 84, 91, 96, 104, 112, 139, 156, 168, 182, 208, 211, 224, 273, 278, 312, 336, 364, 416, 417, 422, 546, 556, 624, 633, 672, 728, 834, 844, 973, 1092, 1112, 1248, 1266, 1456, 1477, 1668, 1688, 1807, 1946, 2184, 2224, 2532, 2743, 2912, 2919, 2954, 3336, 3376, 3614, 3892, 4368, 4431, 4448, 5064, 5421, 5486, 5838, 5908, 6672, 6752, 7228, 7784, 8229, 8736, 8862, 10128, 10842, 10972, 11676, 11816, 12649, 13344, 14456, 15568, 16458, 17724, 19201, 20256, 21684, 21944, 23352, 23632, 25298, 28912, 29329, 31136, 32916, 35448, 37947, 38402, 43368, 43888, 46704, 47264, 50596, 57603, 57824, 58658, 65832, 70896, 75894, 76804, 86736, 87776, 87987, 93408, 101192, 115206, 117316, 131664, 141792, 151788, 153608, 173472, 175974, 202384, 205303, 230412, 234632, 263328, 303576, 307216, 351948, 381277, 404768, 410606, 460824, 469264, 607152, 614432, 615909, 703896, 762554, 821212, 921648, 938528, 1143831, 1214304, 1231818, 1407792, 1525108, 1642424, 1843296, 2287662, 2463636, 2668939, 2815584, 3050216, 3284848, 4575324, 4927272, 5337878, 6100432, 6569696, 8006817, 9150648, 9854544, 10675756, 12200864, 16013634, 18301296, 19709088, 21351512, 32027268, 36602592, 42703024, 64054536, 85406048, 128109072, 256218144]

約数ペア:

[(1, 256218144), (2, 128109072), (3, 85406048), (4, 64054536), (6, 42703024), (7, 36602592), (8, 32027268), (12, 21351512), (13, 19709088), (14, 18301296), (16, 16013634), (21, 12200864), (24, 10675756), (26, 9854544), (28, 9150648), (32, 8006817), (39, 6569696), (42, 6100432), (48, 5337878), (52, 4927272), (56, 4575324), (78, 3284848), (84, 3050216), (91, 2815584), (96, 2668939), (104, 2463636), (112, 2287662), (139, 1843296), (156, 1642424), (168, 1525108), (182, 1407792), (208, 1231818), (211, 1214304), (224, 1143831), (273, 938528), (278, 921648), (312, 821212), (336, 762554), (364, 703896), (416, 615909), (417, 614432), (422, 607152), (546, 469264), (556, 460824), (624, 410606), (633, 404768), (672, 381277), (728, 351948), (834, 307216), (844, 303576), (973, 263328), (1092, 234632), (1112, 230412), (1248, 205303), (1266, 202384), (1456, 175974), (1477, 173472), (1668, 153608), (1688, 151788), (1807, 141792), (1946, 131664), (2184, 117316), (2224, 115206), (2532, 101192), (2743, 93408), (2912, 87987), (2919, 87776), (2954, 86736), (3336, 76804), (3376, 75894), (3614, 70896), (3892, 65832), (4368, 58658), (4431, 57824), (4448, 57603), (5064, 50596), (5421, 47264), (5486, 46704), (5838, 43888), (5908, 43368), (6672, 38402), (6752, 37947), (7228, 35448), (7784, 32916), (8229, 31136), (8736, 29329), (8862, 28912), (10128, 25298), (10842, 23632), (10972, 23352), (11676, 21944), (11816, 21684), (12649, 20256), (13344, 19201), (14456, 17724), (15568, 16458)]