278256384

素因数分解:

$2^8\times 3^7\times 7^1\times {\mathrm{71}}^1$

素因数の和:115

約数の個数: 288

約数和(自身を含む): 965422080

約数和(自身を除く): 687165696

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, 71, 72, 81, 84, 96, 108, 112, 126, 128, 142, 144, 162, 168, 189, 192, 213, 216, 224, 243, 252, 256, 284, 288, 324, 336, 378, 384, 426, 432, 448, 486, 497, 504, 567, 568, 576, 639, 648, 672, 729, 756, 768, 852, 864, 896, 972, 994, 1008, 1134, 1136, 1152, 1278, 1296, 1344, 1458, 1491, 1512, 1701, 1704, 1728, 1792, 1917, 1944, 1988, 2016, 2187, 2268, 2272, 2304, 2556, 2592, 2688, 2916, 2982, 3024, 3402, 3408, 3456, 3834, 3888, 3976, 4032, 4374, 4473, 4536, 4544, 5103, 5112, 5184, 5376, 5751, 5832, 5964, 6048, 6804, 6816, 6912, 7668, 7776, 7952, 8064, 8748, 8946, 9072, 9088, 10206, 10224, 10368, 11502, 11664, 11928, 12096, 13419, 13608, 13632, 15309, 15336, 15552, 15904, 16128, 17253, 17496, 17892, 18144, 18176, 20412, 20448, 20736, 23004, 23328, 23856, 24192, 26838, 27216, 27264, 30618, 30672, 31104, 31808, 34506, 34992, 35784, 36288, 40257, 40824, 40896, 46008, 46656, 47712, 48384, 51759, 53676, 54432, 54528, 61236, 61344, 62208, 63616, 69012, 69984, 71568, 72576, 80514, 81648, 81792, 92016, 93312, 95424, 103518, 107352, 108864, 120771, 122472, 122688, 127232, 138024, 139968, 143136, 145152, 155277, 161028, 163296, 163584, 184032, 186624, 190848, 207036, 214704, 217728, 241542, 244944, 245376, 276048, 279936, 286272, 310554, 322056, 326592, 362313, 368064, 381696, 414072, 429408, 435456, 483084, 489888, 490752, 552096, 559872, 572544, 621108, 644112, 653184, 724626, 736128, 828144, 858816, 966168, 979776, 1086939, 1104192, 1145088, 1242216, 1288224, 1306368, 1449252, 1472256, 1656288, 1717632, 1932336, 1959552, 2173878, 2208384, 2484432, 2576448, 2898504, 3312576, 3435264, 3864672, 3919104, 4347756, 4416768, 4968864, 5152896, 5797008, 6625152, 7729344, 8695512, 9937728, 10305792, 11594016, 13250304, 15458688, 17391024, 19875456, 23188032, 30917376, 34782048, 39750912, 46376064, 69564096, 92752128, 139128192, 278256384]

約数ペア:

[(1, 278256384), (2, 139128192), (3, 92752128), (4, 69564096), (6, 46376064), (7, 39750912), (8, 34782048), (9, 30917376), (12, 23188032), (14, 19875456), (16, 17391024), (18, 15458688), (21, 13250304), (24, 11594016), (27, 10305792), (28, 9937728), (32, 8695512), (36, 7729344), (42, 6625152), (48, 5797008), (54, 5152896), (56, 4968864), (63, 4416768), (64, 4347756), (71, 3919104), (72, 3864672), (81, 3435264), (84, 3312576), (96, 2898504), (108, 2576448), (112, 2484432), (126, 2208384), (128, 2173878), (142, 1959552), (144, 1932336), (162, 1717632), (168, 1656288), (189, 1472256), (192, 1449252), (213, 1306368), (216, 1288224), (224, 1242216), (243, 1145088), (252, 1104192), (256, 1086939), (284, 979776), (288, 966168), (324, 858816), (336, 828144), (378, 736128), (384, 724626), (426, 653184), (432, 644112), (448, 621108), (486, 572544), (497, 559872), (504, 552096), (567, 490752), (568, 489888), (576, 483084), (639, 435456), (648, 429408), (672, 414072), (729, 381696), (756, 368064), (768, 362313), (852, 326592), (864, 322056), (896, 310554), (972, 286272), (994, 279936), (1008, 276048), (1134, 245376), (1136, 244944), (1152, 241542), (1278, 217728), (1296, 214704), (1344, 207036), (1458, 190848), (1491, 186624), (1512, 184032), (1701, 163584), (1704, 163296), (1728, 161028), (1792, 155277), (1917, 145152), (1944, 143136), (1988, 139968), (2016, 138024), (2187, 127232), (2268, 122688), (2272, 122472), (2304, 120771), (2556, 108864), (2592, 107352), (2688, 103518), (2916, 95424), (2982, 93312), (3024, 92016), (3402, 81792), (3408, 81648), (3456, 80514), (3834, 72576), (3888, 71568), (3976, 69984), (4032, 69012), (4374, 63616), (4473, 62208), (4536, 61344), (4544, 61236), (5103, 54528), (5112, 54432), (5184, 53676), (5376, 51759), (5751, 48384), (5832, 47712), (5964, 46656), (6048, 46008), (6804, 40896), (6816, 40824), (6912, 40257), (7668, 36288), (7776, 35784), (7952, 34992), (8064, 34506), (8748, 31808), (8946, 31104), (9072, 30672), (9088, 30618), (10206, 27264), (10224, 27216), (10368, 26838), (11502, 24192), (11664, 23856), (11928, 23328), (12096, 23004), (13419, 20736), (13608, 20448), (13632, 20412), (15309, 18176), (15336, 18144), (15552, 17892), (15904, 17496), (16128, 17253)]