256955328

素因数分解:

$2^6\times 3^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:201

約数の個数: 280

約数和(自身を含む): 891531872

約数和(自身を除く): 634576544

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 73, 81, 84, 96, 97, 108, 112, 126, 144, 146, 162, 168, 189, 192, 194, 216, 219, 224, 252, 288, 291, 292, 324, 336, 378, 388, 432, 438, 448, 504, 511, 567, 576, 582, 584, 648, 657, 672, 679, 756, 776, 864, 873, 876, 1008, 1022, 1134, 1164, 1168, 1296, 1314, 1344, 1358, 1512, 1533, 1552, 1728, 1746, 1752, 1971, 2016, 2037, 2044, 2268, 2328, 2336, 2592, 2619, 2628, 2716, 3024, 3066, 3104, 3492, 3504, 3942, 4032, 4074, 4088, 4536, 4599, 4656, 4672, 5184, 5238, 5256, 5432, 5913, 6048, 6111, 6132, 6208, 6984, 7008, 7081, 7857, 7884, 8148, 8176, 9072, 9198, 9312, 10476, 10512, 10864, 11826, 12096, 12222, 12264, 13797, 13968, 14016, 14162, 15714, 15768, 16296, 16352, 18144, 18333, 18396, 18624, 20952, 21024, 21243, 21728, 23652, 24444, 24528, 27594, 27936, 28324, 31428, 31536, 32592, 32704, 36288, 36666, 36792, 41391, 41904, 42048, 42486, 43456, 47304, 48888, 49056, 49567, 54999, 55188, 55872, 56648, 62856, 63072, 63729, 65184, 73332, 73584, 82782, 83808, 84972, 94608, 97776, 98112, 99134, 109998, 110376, 113296, 125712, 126144, 127458, 130368, 146664, 147168, 148701, 165564, 167616, 169944, 189216, 191187, 195552, 198268, 219996, 220752, 226592, 251424, 254916, 293328, 294336, 297402, 331128, 339888, 378432, 382374, 391104, 396536, 439992, 441504, 446103, 453184, 502848, 509832, 573561, 586656, 594804, 662256, 679776, 764748, 793072, 879984, 883008, 892206, 1019664, 1147122, 1173312, 1189608, 1324512, 1338309, 1359552, 1529496, 1586144, 1759968, 1784412, 2039328, 2294244, 2379216, 2649024, 2676618, 3058992, 3172288, 3519936, 3568824, 4014927, 4078656, 4588488, 4758432, 5353236, 6117984, 7137648, 8029854, 9176976, 9516864, 10706472, 12235968, 14275296, 16059708, 18353952, 21412944, 28550592, 32119416, 36707904, 42825888, 64238832, 85651776, 128477664, 256955328]

約数ペア:

[(1, 256955328), (2, 128477664), (3, 85651776), (4, 64238832), (6, 42825888), (7, 36707904), (8, 32119416), (9, 28550592), (12, 21412944), (14, 18353952), (16, 16059708), (18, 14275296), (21, 12235968), (24, 10706472), (27, 9516864), (28, 9176976), (32, 8029854), (36, 7137648), (42, 6117984), (48, 5353236), (54, 4758432), (56, 4588488), (63, 4078656), (64, 4014927), (72, 3568824), (73, 3519936), (81, 3172288), (84, 3058992), (96, 2676618), (97, 2649024), (108, 2379216), (112, 2294244), (126, 2039328), (144, 1784412), (146, 1759968), (162, 1586144), (168, 1529496), (189, 1359552), (192, 1338309), (194, 1324512), (216, 1189608), (219, 1173312), (224, 1147122), (252, 1019664), (288, 892206), (291, 883008), (292, 879984), (324, 793072), (336, 764748), (378, 679776), (388, 662256), (432, 594804), (438, 586656), (448, 573561), (504, 509832), (511, 502848), (567, 453184), (576, 446103), (582, 441504), (584, 439992), (648, 396536), (657, 391104), (672, 382374), (679, 378432), (756, 339888), (776, 331128), (864, 297402), (873, 294336), (876, 293328), (1008, 254916), (1022, 251424), (1134, 226592), (1164, 220752), (1168, 219996), (1296, 198268), (1314, 195552), (1344, 191187), (1358, 189216), (1512, 169944), (1533, 167616), (1552, 165564), (1728, 148701), (1746, 147168), (1752, 146664), (1971, 130368), (2016, 127458), (2037, 126144), (2044, 125712), (2268, 113296), (2328, 110376), (2336, 109998), (2592, 99134), (2619, 98112), (2628, 97776), (2716, 94608), (3024, 84972), (3066, 83808), (3104, 82782), (3492, 73584), (3504, 73332), (3942, 65184), (4032, 63729), (4074, 63072), (4088, 62856), (4536, 56648), (4599, 55872), (4656, 55188), (4672, 54999), (5184, 49567), (5238, 49056), (5256, 48888), (5432, 47304), (5913, 43456), (6048, 42486), (6111, 42048), (6132, 41904), (6208, 41391), (6984, 36792), (7008, 36666), (7081, 36288), (7857, 32704), (7884, 32592), (8148, 31536), (8176, 31428), (9072, 28324), (9198, 27936), (9312, 27594), (10476, 24528), (10512, 24444), (10864, 23652), (11826, 21728), (12096, 21243), (12222, 21024), (12264, 20952), (13797, 18624), (13968, 18396), (14016, 18333), (14162, 18144), (15714, 16352), (15768, 16296)]