257760384

素因数分解:

$2^7\times 3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:160

約数の個数: 256

約数和(自身を含む): 848640000

約数和(自身を除く): 590879616

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 42, 48, 49, 56, 57, 64, 76, 84, 96, 98, 103, 112, 114, 128, 133, 147, 152, 168, 192, 196, 206, 224, 228, 266, 294, 304, 309, 336, 343, 384, 392, 399, 412, 448, 456, 532, 588, 608, 618, 672, 686, 721, 784, 798, 824, 896, 912, 931, 1029, 1064, 1176, 1216, 1236, 1344, 1372, 1442, 1568, 1596, 1648, 1824, 1862, 1957, 2058, 2128, 2163, 2352, 2432, 2472, 2688, 2744, 2793, 2884, 3136, 3192, 3296, 3648, 3724, 3914, 4116, 4256, 4326, 4704, 4944, 5047, 5488, 5586, 5768, 5871, 6272, 6384, 6517, 6592, 7296, 7448, 7828, 8232, 8512, 8652, 9408, 9888, 10094, 10976, 11172, 11536, 11742, 12768, 13034, 13184, 13699, 14896, 15141, 15656, 16464, 17024, 17304, 18816, 19551, 19776, 20188, 21952, 22344, 23072, 23484, 25536, 26068, 27398, 29792, 30282, 31312, 32928, 34608, 35329, 39102, 39552, 40376, 41097, 43904, 44688, 46144, 46968, 51072, 52136, 54796, 59584, 60564, 62624, 65856, 69216, 70658, 78204, 80752, 82194, 89376, 92288, 93936, 95893, 104272, 105987, 109592, 119168, 121128, 125248, 131712, 138432, 141316, 156408, 161504, 164388, 178752, 187872, 191786, 208544, 211974, 219184, 242256, 250496, 276864, 282632, 287679, 312816, 323008, 328776, 357504, 375744, 383572, 417088, 423948, 438368, 484512, 565264, 575358, 625632, 646016, 657552, 671251, 751488, 767144, 834176, 847896, 876736, 969024, 1130528, 1150716, 1251264, 1315104, 1342502, 1534288, 1695792, 1753472, 1938048, 2013753, 2261056, 2301432, 2502528, 2630208, 2685004, 3068576, 3391584, 4027506, 4522112, 4602864, 5260416, 5370008, 6137152, 6783168, 8055012, 9205728, 10740016, 12274304, 13566336, 16110024, 18411456, 21480032, 32220048, 36822912, 42960064, 64440096, 85920128, 128880192, 257760384]

約数ペア:

[(1, 257760384), (2, 128880192), (3, 85920128), (4, 64440096), (6, 42960064), (7, 36822912), (8, 32220048), (12, 21480032), (14, 18411456), (16, 16110024), (19, 13566336), (21, 12274304), (24, 10740016), (28, 9205728), (32, 8055012), (38, 6783168), (42, 6137152), (48, 5370008), (49, 5260416), (56, 4602864), (57, 4522112), (64, 4027506), (76, 3391584), (84, 3068576), (96, 2685004), (98, 2630208), (103, 2502528), (112, 2301432), (114, 2261056), (128, 2013753), (133, 1938048), (147, 1753472), (152, 1695792), (168, 1534288), (192, 1342502), (196, 1315104), (206, 1251264), (224, 1150716), (228, 1130528), (266, 969024), (294, 876736), (304, 847896), (309, 834176), (336, 767144), (343, 751488), (384, 671251), (392, 657552), (399, 646016), (412, 625632), (448, 575358), (456, 565264), (532, 484512), (588, 438368), (608, 423948), (618, 417088), (672, 383572), (686, 375744), (721, 357504), (784, 328776), (798, 323008), (824, 312816), (896, 287679), (912, 282632), (931, 276864), (1029, 250496), (1064, 242256), (1176, 219184), (1216, 211974), (1236, 208544), (1344, 191786), (1372, 187872), (1442, 178752), (1568, 164388), (1596, 161504), (1648, 156408), (1824, 141316), (1862, 138432), (1957, 131712), (2058, 125248), (2128, 121128), (2163, 119168), (2352, 109592), (2432, 105987), (2472, 104272), (2688, 95893), (2744, 93936), (2793, 92288), (2884, 89376), (3136, 82194), (3192, 80752), (3296, 78204), (3648, 70658), (3724, 69216), (3914, 65856), (4116, 62624), (4256, 60564), (4326, 59584), (4704, 54796), (4944, 52136), (5047, 51072), (5488, 46968), (5586, 46144), (5768, 44688), (5871, 43904), (6272, 41097), (6384, 40376), (6517, 39552), (6592, 39102), (7296, 35329), (7448, 34608), (7828, 32928), (8232, 31312), (8512, 30282), (8652, 29792), (9408, 27398), (9888, 26068), (10094, 25536), (10976, 23484), (11172, 23072), (11536, 22344), (11742, 21952), (12768, 20188), (13034, 19776), (13184, 19551), (13699, 18816), (14896, 17304), (15141, 17024), (15656, 16464)]