256229568

素因数分解:

$2^6\times 3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1$

素因数の和:361

約数の個数: 280

約数和(自身を含む): 908742912

約数和(自身を除く): 652513344

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 27, 28, 32, 36, 42, 46, 48, 54, 56, 63, 64, 69, 72, 81, 84, 92, 96, 108, 112, 126, 138, 144, 161, 162, 168, 184, 189, 192, 207, 216, 224, 252, 276, 288, 307, 322, 324, 336, 368, 378, 414, 432, 448, 483, 504, 552, 567, 576, 614, 621, 644, 648, 672, 736, 756, 828, 864, 921, 966, 1008, 1104, 1134, 1228, 1242, 1288, 1296, 1344, 1449, 1472, 1512, 1656, 1728, 1842, 1863, 1932, 2016, 2149, 2208, 2268, 2456, 2484, 2576, 2592, 2763, 2898, 3024, 3312, 3684, 3726, 3864, 4032, 4298, 4347, 4416, 4536, 4912, 4968, 5152, 5184, 5526, 5796, 6048, 6447, 6624, 7061, 7368, 7452, 7728, 8289, 8596, 8694, 9072, 9824, 9936, 10304, 11052, 11592, 12096, 12894, 13041, 13248, 14122, 14736, 14904, 15456, 16578, 17192, 17388, 18144, 19341, 19648, 19872, 21183, 22104, 23184, 24867, 25788, 26082, 28244, 29472, 29808, 30912, 33156, 34384, 34776, 36288, 38682, 39744, 42366, 44208, 46368, 49427, 49734, 51576, 52164, 56488, 58023, 58944, 59616, 63549, 66312, 68768, 69552, 77364, 84732, 88416, 92736, 98854, 99468, 103152, 104328, 112976, 116046, 119232, 127098, 132624, 137536, 139104, 148281, 154728, 169464, 174069, 176832, 190647, 197708, 198936, 206304, 208656, 225952, 232092, 254196, 265248, 278208, 296562, 309456, 338928, 348138, 381294, 395416, 397872, 412608, 417312, 444843, 451904, 464184, 508392, 530496, 571941, 593124, 618912, 677856, 696276, 762588, 790832, 795744, 834624, 889686, 928368, 1016784, 1143882, 1186248, 1237824, 1334529, 1355712, 1392552, 1525176, 1581664, 1591488, 1779372, 1856736, 2033568, 2287764, 2372496, 2669058, 2785104, 3050352, 3163328, 3558744, 3713472, 4003587, 4067136, 4575528, 4744992, 5338116, 5570208, 6100704, 7117488, 8007174, 9151056, 9489984, 10676232, 11140416, 12201408, 14234976, 16014348, 18302112, 21352464, 28469952, 32028696, 36604224, 42704928, 64057392, 85409856, 128114784, 256229568]

約数ペア:

[(1, 256229568), (2, 128114784), (3, 85409856), (4, 64057392), (6, 42704928), (7, 36604224), (8, 32028696), (9, 28469952), (12, 21352464), (14, 18302112), (16, 16014348), (18, 14234976), (21, 12201408), (23, 11140416), (24, 10676232), (27, 9489984), (28, 9151056), (32, 8007174), (36, 7117488), (42, 6100704), (46, 5570208), (48, 5338116), (54, 4744992), (56, 4575528), (63, 4067136), (64, 4003587), (69, 3713472), (72, 3558744), (81, 3163328), (84, 3050352), (92, 2785104), (96, 2669058), (108, 2372496), (112, 2287764), (126, 2033568), (138, 1856736), (144, 1779372), (161, 1591488), (162, 1581664), (168, 1525176), (184, 1392552), (189, 1355712), (192, 1334529), (207, 1237824), (216, 1186248), (224, 1143882), (252, 1016784), (276, 928368), (288, 889686), (307, 834624), (322, 795744), (324, 790832), (336, 762588), (368, 696276), (378, 677856), (414, 618912), (432, 593124), (448, 571941), (483, 530496), (504, 508392), (552, 464184), (567, 451904), (576, 444843), (614, 417312), (621, 412608), (644, 397872), (648, 395416), (672, 381294), (736, 348138), (756, 338928), (828, 309456), (864, 296562), (921, 278208), (966, 265248), (1008, 254196), (1104, 232092), (1134, 225952), (1228, 208656), (1242, 206304), (1288, 198936), (1296, 197708), (1344, 190647), (1449, 176832), (1472, 174069), (1512, 169464), (1656, 154728), (1728, 148281), (1842, 139104), (1863, 137536), (1932, 132624), (2016, 127098), (2149, 119232), (2208, 116046), (2268, 112976), (2456, 104328), (2484, 103152), (2576, 99468), (2592, 98854), (2763, 92736), (2898, 88416), (3024, 84732), (3312, 77364), (3684, 69552), (3726, 68768), (3864, 66312), (4032, 63549), (4298, 59616), (4347, 58944), (4416, 58023), (4536, 56488), (4912, 52164), (4968, 51576), (5152, 49734), (5184, 49427), (5526, 46368), (5796, 44208), (6048, 42366), (6447, 39744), (6624, 38682), (7061, 36288), (7368, 34776), (7452, 34384), (7728, 33156), (8289, 30912), (8596, 29808), (8694, 29472), (9072, 28244), (9824, 26082), (9936, 25788), (10304, 24867), (11052, 23184), (11592, 22104), (12096, 21183), (12894, 19872), (13041, 19648), (13248, 19341), (14122, 18144), (14736, 17388), (14904, 17192), (15456, 16578)]