256906944

素因数分解:

$2^6\times 3^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{317}}^1$

素因数の和:412

約数の個数: 224

約数和(自身を含む): 878799360

約数和(自身を除く): 621892416

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, 67, 72, 84, 96, 108, 112, 126, 134, 144, 168, 189, 192, 201, 216, 224, 252, 268, 288, 317, 336, 378, 402, 432, 448, 469, 504, 536, 576, 603, 634, 672, 756, 804, 864, 938, 951, 1008, 1072, 1206, 1268, 1344, 1407, 1512, 1608, 1728, 1809, 1876, 1902, 2016, 2144, 2219, 2412, 2536, 2814, 2853, 3024, 3216, 3618, 3752, 3804, 4032, 4221, 4288, 4438, 4824, 5072, 5628, 5706, 6048, 6432, 6657, 7236, 7504, 7608, 8442, 8559, 8876, 9648, 10144, 11256, 11412, 12096, 12663, 12864, 13314, 14472, 15008, 15216, 16884, 17118, 17752, 19296, 19971, 20288, 21239, 22512, 22824, 25326, 26628, 28944, 30016, 30432, 33768, 34236, 35504, 38592, 39942, 42478, 45024, 45648, 50652, 53256, 57888, 59913, 60864, 63717, 67536, 68472, 71008, 79884, 84956, 90048, 91296, 101304, 106512, 115776, 119826, 127434, 135072, 136944, 142016, 148673, 159768, 169912, 182592, 191151, 202608, 213024, 239652, 254868, 270144, 273888, 297346, 319536, 339824, 382302, 405216, 426048, 446019, 479304, 509736, 547776, 573453, 594692, 639072, 679648, 764604, 810432, 892038, 958608, 1019472, 1146906, 1189384, 1278144, 1338057, 1359296, 1529208, 1784076, 1917216, 2038944, 2293812, 2378768, 2676114, 3058416, 3568152, 3834432, 4014171, 4077888, 4587624, 4757536, 5352228, 6116832, 7136304, 8028342, 9175248, 9515072, 10704456, 12233664, 14272608, 16056684, 18350496, 21408912, 28545216, 32113368, 36700992, 42817824, 64226736, 85635648, 128453472, 256906944]

約数ペア:

[(1, 256906944), (2, 128453472), (3, 85635648), (4, 64226736), (6, 42817824), (7, 36700992), (8, 32113368), (9, 28545216), (12, 21408912), (14, 18350496), (16, 16056684), (18, 14272608), (21, 12233664), (24, 10704456), (27, 9515072), (28, 9175248), (32, 8028342), (36, 7136304), (42, 6116832), (48, 5352228), (54, 4757536), (56, 4587624), (63, 4077888), (64, 4014171), (67, 3834432), (72, 3568152), (84, 3058416), (96, 2676114), (108, 2378768), (112, 2293812), (126, 2038944), (134, 1917216), (144, 1784076), (168, 1529208), (189, 1359296), (192, 1338057), (201, 1278144), (216, 1189384), (224, 1146906), (252, 1019472), (268, 958608), (288, 892038), (317, 810432), (336, 764604), (378, 679648), (402, 639072), (432, 594692), (448, 573453), (469, 547776), (504, 509736), (536, 479304), (576, 446019), (603, 426048), (634, 405216), (672, 382302), (756, 339824), (804, 319536), (864, 297346), (938, 273888), (951, 270144), (1008, 254868), (1072, 239652), (1206, 213024), (1268, 202608), (1344, 191151), (1407, 182592), (1512, 169912), (1608, 159768), (1728, 148673), (1809, 142016), (1876, 136944), (1902, 135072), (2016, 127434), (2144, 119826), (2219, 115776), (2412, 106512), (2536, 101304), (2814, 91296), (2853, 90048), (3024, 84956), (3216, 79884), (3618, 71008), (3752, 68472), (3804, 67536), (4032, 63717), (4221, 60864), (4288, 59913), (4438, 57888), (4824, 53256), (5072, 50652), (5628, 45648), (5706, 45024), (6048, 42478), (6432, 39942), (6657, 38592), (7236, 35504), (7504, 34236), (7608, 33768), (8442, 30432), (8559, 30016), (8876, 28944), (9648, 26628), (10144, 25326), (11256, 22824), (11412, 22512), (12096, 21239), (12663, 20288), (12864, 19971), (13314, 19296), (14472, 17752), (15008, 17118), (15216, 16884)]