256123392

素因数分解:

$2^9\times 3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:159

約数の個数: 240

約数和(自身を含む): 822884832

約数和(自身を除く): 566761440

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 41, 42, 48, 49, 56, 64, 82, 83, 84, 96, 98, 112, 123, 128, 147, 164, 166, 168, 192, 196, 224, 246, 249, 256, 287, 294, 328, 332, 336, 384, 392, 448, 492, 498, 512, 574, 581, 588, 656, 664, 672, 768, 784, 861, 896, 984, 996, 1148, 1162, 1176, 1312, 1328, 1344, 1536, 1568, 1722, 1743, 1792, 1968, 1992, 2009, 2296, 2324, 2352, 2624, 2656, 2688, 3136, 3403, 3444, 3486, 3584, 3936, 3984, 4018, 4067, 4592, 4648, 4704, 5248, 5312, 5376, 6027, 6272, 6806, 6888, 6972, 7872, 7968, 8036, 8134, 9184, 9296, 9408, 10209, 10496, 10624, 10752, 12054, 12201, 12544, 13612, 13776, 13944, 15744, 15936, 16072, 16268, 18368, 18592, 18816, 20418, 20992, 21248, 23821, 24108, 24402, 25088, 27224, 27552, 27888, 31488, 31872, 32144, 32536, 36736, 37184, 37632, 40836, 42496, 47642, 48216, 48804, 54448, 55104, 55776, 62976, 63744, 64288, 65072, 71463, 73472, 74368, 75264, 81672, 95284, 96432, 97608, 108896, 110208, 111552, 127488, 128576, 130144, 142926, 146944, 148736, 163344, 166747, 190568, 192864, 195216, 217792, 220416, 223104, 257152, 260288, 285852, 297472, 326688, 333494, 381136, 385728, 390432, 435584, 440832, 446208, 500241, 514304, 520576, 571704, 653376, 666988, 762272, 771456, 780864, 871168, 892416, 1000482, 1028608, 1041152, 1143408, 1306752, 1333976, 1524544, 1542912, 1561728, 1742336, 2000964, 2082304, 2286816, 2613504, 2667952, 3049088, 3085824, 3123456, 4001928, 4573632, 5227008, 5335904, 6098176, 6246912, 8003856, 9147264, 10671808, 12196352, 16007712, 18294528, 21343616, 32015424, 36589056, 42687232, 64030848, 85374464, 128061696, 256123392]

約数ペア:

[(1, 256123392), (2, 128061696), (3, 85374464), (4, 64030848), (6, 42687232), (7, 36589056), (8, 32015424), (12, 21343616), (14, 18294528), (16, 16007712), (21, 12196352), (24, 10671808), (28, 9147264), (32, 8003856), (41, 6246912), (42, 6098176), (48, 5335904), (49, 5227008), (56, 4573632), (64, 4001928), (82, 3123456), (83, 3085824), (84, 3049088), (96, 2667952), (98, 2613504), (112, 2286816), (123, 2082304), (128, 2000964), (147, 1742336), (164, 1561728), (166, 1542912), (168, 1524544), (192, 1333976), (196, 1306752), (224, 1143408), (246, 1041152), (249, 1028608), (256, 1000482), (287, 892416), (294, 871168), (328, 780864), (332, 771456), (336, 762272), (384, 666988), (392, 653376), (448, 571704), (492, 520576), (498, 514304), (512, 500241), (574, 446208), (581, 440832), (588, 435584), (656, 390432), (664, 385728), (672, 381136), (768, 333494), (784, 326688), (861, 297472), (896, 285852), (984, 260288), (996, 257152), (1148, 223104), (1162, 220416), (1176, 217792), (1312, 195216), (1328, 192864), (1344, 190568), (1536, 166747), (1568, 163344), (1722, 148736), (1743, 146944), (1792, 142926), (1968, 130144), (1992, 128576), (2009, 127488), (2296, 111552), (2324, 110208), (2352, 108896), (2624, 97608), (2656, 96432), (2688, 95284), (3136, 81672), (3403, 75264), (3444, 74368), (3486, 73472), (3584, 71463), (3936, 65072), (3984, 64288), (4018, 63744), (4067, 62976), (4592, 55776), (4648, 55104), (4704, 54448), (5248, 48804), (5312, 48216), (5376, 47642), (6027, 42496), (6272, 40836), (6806, 37632), (6888, 37184), (6972, 36736), (7872, 32536), (7968, 32144), (8036, 31872), (8134, 31488), (9184, 27888), (9296, 27552), (9408, 27224), (10209, 25088), (10496, 24402), (10624, 24108), (10752, 23821), (12054, 21248), (12201, 20992), (12544, 20418), (13612, 18816), (13776, 18592), (13944, 18368), (15744, 16268), (15936, 16072)]