256523904

素因数分解:

$2^7\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2447}}^1$

素因数の和:2487

約数の個数: 192

約数和(自身を含む): 908893440

約数和(自身を除く): 652369536

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 32, 36, 39, 42, 48, 52, 56, 63, 64, 72, 78, 84, 91, 96, 104, 112, 117, 126, 128, 144, 156, 168, 182, 192, 208, 224, 234, 252, 273, 288, 312, 336, 364, 384, 416, 448, 468, 504, 546, 576, 624, 672, 728, 819, 832, 896, 936, 1008, 1092, 1152, 1248, 1344, 1456, 1638, 1664, 1872, 2016, 2184, 2447, 2496, 2688, 2912, 3276, 3744, 4032, 4368, 4894, 4992, 5824, 6552, 7341, 7488, 8064, 8736, 9788, 11648, 13104, 14682, 14976, 17129, 17472, 19576, 22023, 26208, 29364, 31811, 34258, 34944, 39152, 44046, 51387, 52416, 58728, 63622, 68516, 78304, 88092, 95433, 102774, 104832, 117456, 127244, 137032, 154161, 156608, 176184, 190866, 205548, 222677, 234912, 254488, 274064, 286299, 308322, 313216, 352368, 381732, 411096, 445354, 469824, 508976, 548128, 572598, 616644, 668031, 704736, 763464, 822192, 890708, 939648, 1017952, 1096256, 1145196, 1233288, 1336062, 1409472, 1526928, 1644384, 1781416, 2004093, 2035904, 2192512, 2290392, 2466576, 2672124, 2818944, 3053856, 3288768, 3562832, 4008186, 4071808, 4580784, 4933152, 5344248, 6107712, 6577536, 7125664, 8016372, 9161568, 9866304, 10688496, 12215424, 14251328, 16032744, 18323136, 19732608, 21376992, 28502656, 32065488, 36646272, 42753984, 64130976, 85507968, 128261952, 256523904]

約数ペア:

[(1, 256523904), (2, 128261952), (3, 85507968), (4, 64130976), (6, 42753984), (7, 36646272), (8, 32065488), (9, 28502656), (12, 21376992), (13, 19732608), (14, 18323136), (16, 16032744), (18, 14251328), (21, 12215424), (24, 10688496), (26, 9866304), (28, 9161568), (32, 8016372), (36, 7125664), (39, 6577536), (42, 6107712), (48, 5344248), (52, 4933152), (56, 4580784), (63, 4071808), (64, 4008186), (72, 3562832), (78, 3288768), (84, 3053856), (91, 2818944), (96, 2672124), (104, 2466576), (112, 2290392), (117, 2192512), (126, 2035904), (128, 2004093), (144, 1781416), (156, 1644384), (168, 1526928), (182, 1409472), (192, 1336062), (208, 1233288), (224, 1145196), (234, 1096256), (252, 1017952), (273, 939648), (288, 890708), (312, 822192), (336, 763464), (364, 704736), (384, 668031), (416, 616644), (448, 572598), (468, 548128), (504, 508976), (546, 469824), (576, 445354), (624, 411096), (672, 381732), (728, 352368), (819, 313216), (832, 308322), (896, 286299), (936, 274064), (1008, 254488), (1092, 234912), (1152, 222677), (1248, 205548), (1344, 190866), (1456, 176184), (1638, 156608), (1664, 154161), (1872, 137032), (2016, 127244), (2184, 117456), (2447, 104832), (2496, 102774), (2688, 95433), (2912, 88092), (3276, 78304), (3744, 68516), (4032, 63622), (4368, 58728), (4894, 52416), (4992, 51387), (5824, 44046), (6552, 39152), (7341, 34944), (7488, 34258), (8064, 31811), (8736, 29364), (9788, 26208), (11648, 22023), (13104, 19576), (14682, 17472), (14976, 17129)]