256898304

素因数分解:

$2^8\times 3^4\times {\mathrm{13}}^1\times {\mathrm{953}}^1$

素因数の和:994

約数の個数: 180

約数和(自身を含む): 825814836

約数和(自身を除く): 568916532

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 81, 96, 104, 108, 117, 128, 144, 156, 162, 192, 208, 216, 234, 256, 288, 312, 324, 351, 384, 416, 432, 468, 576, 624, 648, 702, 768, 832, 864, 936, 953, 1053, 1152, 1248, 1296, 1404, 1664, 1728, 1872, 1906, 2106, 2304, 2496, 2592, 2808, 2859, 3328, 3456, 3744, 3812, 4212, 4992, 5184, 5616, 5718, 6912, 7488, 7624, 8424, 8577, 9984, 10368, 11232, 11436, 12389, 14976, 15248, 16848, 17154, 20736, 22464, 22872, 24778, 25731, 29952, 30496, 33696, 34308, 37167, 44928, 45744, 49556, 51462, 60992, 67392, 68616, 74334, 77193, 89856, 91488, 99112, 102924, 111501, 121984, 134784, 137232, 148668, 154386, 182976, 198224, 205848, 223002, 243968, 269568, 274464, 297336, 308772, 334503, 365952, 396448, 411696, 446004, 548928, 594672, 617544, 669006, 731904, 792896, 823392, 892008, 1003509, 1097856, 1189344, 1235088, 1338012, 1585792, 1646784, 1784016, 2007018, 2195712, 2378688, 2470176, 2676024, 3171584, 3293568, 3568032, 4014036, 4757376, 4940352, 5352048, 6587136, 7136064, 8028072, 9514752, 9880704, 10704096, 14272128, 16056144, 19761408, 21408192, 28544256, 32112288, 42816384, 64224576, 85632768, 128449152, 256898304]

約数ペア:

[(1, 256898304), (2, 128449152), (3, 85632768), (4, 64224576), (6, 42816384), (8, 32112288), (9, 28544256), (12, 21408192), (13, 19761408), (16, 16056144), (18, 14272128), (24, 10704096), (26, 9880704), (27, 9514752), (32, 8028072), (36, 7136064), (39, 6587136), (48, 5352048), (52, 4940352), (54, 4757376), (64, 4014036), (72, 3568032), (78, 3293568), (81, 3171584), (96, 2676024), (104, 2470176), (108, 2378688), (117, 2195712), (128, 2007018), (144, 1784016), (156, 1646784), (162, 1585792), (192, 1338012), (208, 1235088), (216, 1189344), (234, 1097856), (256, 1003509), (288, 892008), (312, 823392), (324, 792896), (351, 731904), (384, 669006), (416, 617544), (432, 594672), (468, 548928), (576, 446004), (624, 411696), (648, 396448), (702, 365952), (768, 334503), (832, 308772), (864, 297336), (936, 274464), (953, 269568), (1053, 243968), (1152, 223002), (1248, 205848), (1296, 198224), (1404, 182976), (1664, 154386), (1728, 148668), (1872, 137232), (1906, 134784), (2106, 121984), (2304, 111501), (2496, 102924), (2592, 99112), (2808, 91488), (2859, 89856), (3328, 77193), (3456, 74334), (3744, 68616), (3812, 67392), (4212, 60992), (4992, 51462), (5184, 49556), (5616, 45744), (5718, 44928), (6912, 37167), (7488, 34308), (7624, 33696), (8424, 30496), (8577, 29952), (9984, 25731), (10368, 24778), (11232, 22872), (11436, 22464), (12389, 20736), (14976, 17154), (15248, 16848)]