1256356864

素因数分解:

$2^{10}\times 7^5\times {\mathrm{73}}^1$

素因数の和:128

約数の個数: 132

約数和(自身を含む): 2970180624

約数和(自身を除く): 1713823760

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 73, 98, 112, 128, 146, 196, 224, 256, 292, 343, 392, 448, 511, 512, 584, 686, 784, 896, 1022, 1024, 1168, 1372, 1568, 1792, 2044, 2336, 2401, 2744, 3136, 3577, 3584, 4088, 4672, 4802, 5488, 6272, 7154, 7168, 8176, 9344, 9604, 10976, 12544, 14308, 16352, 16807, 18688, 19208, 21952, 25039, 25088, 28616, 32704, 33614, 37376, 38416, 43904, 50078, 50176, 57232, 65408, 67228, 74752, 76832, 87808, 100156, 114464, 130816, 134456, 153664, 175273, 175616, 200312, 228928, 261632, 268912, 307328, 350546, 351232, 400624, 457856, 523264, 537824, 614656, 701092, 801248, 915712, 1075648, 1226911, 1229312, 1402184, 1602496, 1831424, 2151296, 2453822, 2458624, 2804368, 3204992, 3662848, 4302592, 4907644, 5608736, 6409984, 8605184, 9815288, 11217472, 12819968, 17210368, 19630576, 22434944, 25639936, 39261152, 44869888, 78522304, 89739776, 157044608, 179479552, 314089216, 628178432, 1256356864]

約数ペア:

[(1, 1256356864), (2, 628178432), (4, 314089216), (7, 179479552), (8, 157044608), (14, 89739776), (16, 78522304), (28, 44869888), (32, 39261152), (49, 25639936), (56, 22434944), (64, 19630576), (73, 17210368), (98, 12819968), (112, 11217472), (128, 9815288), (146, 8605184), (196, 6409984), (224, 5608736), (256, 4907644), (292, 4302592), (343, 3662848), (392, 3204992), (448, 2804368), (511, 2458624), (512, 2453822), (584, 2151296), (686, 1831424), (784, 1602496), (896, 1402184), (1022, 1229312), (1024, 1226911), (1168, 1075648), (1372, 915712), (1568, 801248), (1792, 701092), (2044, 614656), (2336, 537824), (2401, 523264), (2744, 457856), (3136, 400624), (3577, 351232), (3584, 350546), (4088, 307328), (4672, 268912), (4802, 261632), (5488, 228928), (6272, 200312), (7154, 175616), (7168, 175273), (8176, 153664), (9344, 134456), (9604, 130816), (10976, 114464), (12544, 100156), (14308, 87808), (16352, 76832), (16807, 74752), (18688, 67228), (19208, 65408), (21952, 57232), (25039, 50176), (25088, 50078), (28616, 43904), (32704, 38416), (33614, 37376)]