256320288

素因数分解:

$2^5\times 3^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1$

素因数の和:326

約数の個数: 288

約数和(自身を含む): 918013824

約数和(自身を除く): 661693536

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 27, 28, 32, 34, 36, 42, 48, 51, 54, 56, 63, 68, 72, 81, 84, 96, 102, 108, 112, 119, 126, 136, 144, 153, 162, 168, 189, 204, 216, 224, 238, 243, 252, 272, 277, 288, 306, 324, 336, 357, 378, 408, 432, 459, 476, 486, 504, 544, 554, 567, 612, 648, 672, 714, 756, 816, 831, 864, 918, 952, 972, 1008, 1071, 1108, 1134, 1224, 1296, 1377, 1428, 1512, 1632, 1662, 1701, 1836, 1904, 1939, 1944, 2016, 2142, 2216, 2268, 2448, 2493, 2592, 2754, 2856, 3024, 3213, 3324, 3402, 3672, 3808, 3878, 3888, 4131, 4284, 4432, 4536, 4709, 4896, 4986, 5508, 5712, 5817, 6048, 6426, 6648, 6804, 7344, 7479, 7756, 7776, 8262, 8568, 8864, 9072, 9418, 9639, 9972, 11016, 11424, 11634, 12852, 13296, 13608, 14127, 14688, 14958, 15512, 16524, 17136, 17451, 18144, 18836, 19278, 19944, 22032, 22437, 23268, 25704, 26592, 27216, 28254, 28917, 29916, 31024, 32963, 33048, 34272, 34902, 37672, 38556, 39888, 42381, 44064, 44874, 46536, 51408, 52353, 54432, 56508, 57834, 59832, 62048, 65926, 66096, 67311, 69804, 75344, 77112, 79776, 84762, 89748, 93072, 98889, 102816, 104706, 113016, 115668, 119664, 127143, 131852, 132192, 134622, 139608, 150688, 154224, 157059, 169524, 179496, 186144, 197778, 209412, 226032, 231336, 239328, 254286, 263704, 269244, 279216, 296667, 308448, 314118, 339048, 358992, 381429, 395556, 418824, 452064, 462672, 471177, 508572, 527408, 538488, 558432, 593334, 628236, 678096, 717984, 762858, 791112, 837648, 890001, 925344, 942354, 1017144, 1054816, 1076976, 1144287, 1186668, 1256472, 1356192, 1525716, 1582224, 1675296, 1780002, 1884708, 2034288, 2153952, 2288574, 2373336, 2512944, 2670003, 3051432, 3164448, 3560004, 3769416, 4068576, 4577148, 4746672, 5025888, 5340006, 6102864, 7120008, 7538832, 8010009, 9154296, 9493344, 10680012, 12205728, 14240016, 15077664, 16020018, 18308592, 21360024, 28480032, 32040036, 36617184, 42720048, 64080072, 85440096, 128160144, 256320288]

約数ペア:

[(1, 256320288), (2, 128160144), (3, 85440096), (4, 64080072), (6, 42720048), (7, 36617184), (8, 32040036), (9, 28480032), (12, 21360024), (14, 18308592), (16, 16020018), (17, 15077664), (18, 14240016), (21, 12205728), (24, 10680012), (27, 9493344), (28, 9154296), (32, 8010009), (34, 7538832), (36, 7120008), (42, 6102864), (48, 5340006), (51, 5025888), (54, 4746672), (56, 4577148), (63, 4068576), (68, 3769416), (72, 3560004), (81, 3164448), (84, 3051432), (96, 2670003), (102, 2512944), (108, 2373336), (112, 2288574), (119, 2153952), (126, 2034288), (136, 1884708), (144, 1780002), (153, 1675296), (162, 1582224), (168, 1525716), (189, 1356192), (204, 1256472), (216, 1186668), (224, 1144287), (238, 1076976), (243, 1054816), (252, 1017144), (272, 942354), (277, 925344), (288, 890001), (306, 837648), (324, 791112), (336, 762858), (357, 717984), (378, 678096), (408, 628236), (432, 593334), (459, 558432), (476, 538488), (486, 527408), (504, 508572), (544, 471177), (554, 462672), (567, 452064), (612, 418824), (648, 395556), (672, 381429), (714, 358992), (756, 339048), (816, 314118), (831, 308448), (864, 296667), (918, 279216), (952, 269244), (972, 263704), (1008, 254286), (1071, 239328), (1108, 231336), (1134, 226032), (1224, 209412), (1296, 197778), (1377, 186144), (1428, 179496), (1512, 169524), (1632, 157059), (1662, 154224), (1701, 150688), (1836, 139608), (1904, 134622), (1939, 132192), (1944, 131852), (2016, 127143), (2142, 119664), (2216, 115668), (2268, 113016), (2448, 104706), (2493, 102816), (2592, 98889), (2754, 93072), (2856, 89748), (3024, 84762), (3213, 79776), (3324, 77112), (3402, 75344), (3672, 69804), (3808, 67311), (3878, 66096), (3888, 65926), (4131, 62048), (4284, 59832), (4432, 57834), (4536, 56508), (4709, 54432), (4896, 52353), (4986, 51408), (5508, 46536), (5712, 44874), (5817, 44064), (6048, 42381), (6426, 39888), (6648, 38556), (6804, 37672), (7344, 34902), (7479, 34272), (7756, 33048), (7776, 32963), (8262, 31024), (8568, 29916), (8864, 28917), (9072, 28254), (9418, 27216), (9639, 26592), (9972, 25704), (11016, 23268), (11424, 22437), (11634, 22032), (12852, 19944), (13296, 19278), (13608, 18836), (14127, 18144), (14688, 17451), (14958, 17136), (15512, 16524)]