256620672

素因数分解:

$2^7\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{263}}^1$

素因数の和:312

約数の個数: 288

約数和(自身を含む): 931170240

約数和(自身を除く): 674549568

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 32, 33, 36, 42, 44, 48, 56, 63, 64, 66, 72, 77, 84, 88, 96, 99, 112, 121, 126, 128, 132, 144, 154, 168, 176, 192, 198, 224, 231, 242, 252, 263, 264, 288, 308, 336, 352, 363, 384, 396, 448, 462, 484, 504, 526, 528, 576, 616, 672, 693, 704, 726, 789, 792, 847, 896, 924, 968, 1008, 1052, 1056, 1089, 1152, 1232, 1344, 1386, 1408, 1452, 1578, 1584, 1694, 1841, 1848, 1936, 2016, 2104, 2112, 2178, 2367, 2464, 2541, 2688, 2772, 2893, 2904, 3156, 3168, 3388, 3682, 3696, 3872, 4032, 4208, 4224, 4356, 4734, 4928, 5082, 5523, 5544, 5786, 5808, 6312, 6336, 6776, 7364, 7392, 7623, 7744, 8064, 8416, 8679, 8712, 9468, 9856, 10164, 11046, 11088, 11572, 11616, 12624, 12672, 13552, 14728, 14784, 15246, 15488, 16569, 16832, 17358, 17424, 18936, 20251, 20328, 22092, 22176, 23144, 23232, 25248, 26037, 27104, 29456, 29568, 30492, 31823, 33138, 33664, 34716, 34848, 37872, 40502, 40656, 44184, 44352, 46288, 46464, 50496, 52074, 54208, 58912, 60753, 60984, 63646, 66276, 69432, 69696, 75744, 81004, 81312, 88368, 88704, 92576, 95469, 100992, 104148, 108416, 117824, 121506, 121968, 127292, 132552, 138864, 139392, 151488, 162008, 162624, 176736, 182259, 185152, 190938, 208296, 222761, 235648, 243012, 243936, 254584, 265104, 277728, 286407, 302976, 324016, 325248, 353472, 364518, 370304, 381876, 416592, 445522, 486024, 487872, 509168, 530208, 555456, 572814, 648032, 668283, 706944, 729036, 763752, 833184, 891044, 972048, 975744, 1018336, 1060416, 1110912, 1145628, 1296064, 1336566, 1458072, 1527504, 1666368, 1782088, 1944096, 2004849, 2036672, 2120832, 2291256, 2592128, 2673132, 2916144, 3055008, 3332736, 3564176, 3888192, 4009698, 4073344, 4582512, 5346264, 5832288, 6110016, 7128352, 7776384, 8019396, 9165024, 10692528, 11664576, 12220032, 14256704, 16038792, 18330048, 21385056, 23329152, 28513408, 32077584, 36660096, 42770112, 64155168, 85540224, 128310336, 256620672]

約数ペア:

[(1, 256620672), (2, 128310336), (3, 85540224), (4, 64155168), (6, 42770112), (7, 36660096), (8, 32077584), (9, 28513408), (11, 23329152), (12, 21385056), (14, 18330048), (16, 16038792), (18, 14256704), (21, 12220032), (22, 11664576), (24, 10692528), (28, 9165024), (32, 8019396), (33, 7776384), (36, 7128352), (42, 6110016), (44, 5832288), (48, 5346264), (56, 4582512), (63, 4073344), (64, 4009698), (66, 3888192), (72, 3564176), (77, 3332736), (84, 3055008), (88, 2916144), (96, 2673132), (99, 2592128), (112, 2291256), (121, 2120832), (126, 2036672), (128, 2004849), (132, 1944096), (144, 1782088), (154, 1666368), (168, 1527504), (176, 1458072), (192, 1336566), (198, 1296064), (224, 1145628), (231, 1110912), (242, 1060416), (252, 1018336), (263, 975744), (264, 972048), (288, 891044), (308, 833184), (336, 763752), (352, 729036), (363, 706944), (384, 668283), (396, 648032), (448, 572814), (462, 555456), (484, 530208), (504, 509168), (526, 487872), (528, 486024), (576, 445522), (616, 416592), (672, 381876), (693, 370304), (704, 364518), (726, 353472), (789, 325248), (792, 324016), (847, 302976), (896, 286407), (924, 277728), (968, 265104), (1008, 254584), (1052, 243936), (1056, 243012), (1089, 235648), (1152, 222761), (1232, 208296), (1344, 190938), (1386, 185152), (1408, 182259), (1452, 176736), (1578, 162624), (1584, 162008), (1694, 151488), (1841, 139392), (1848, 138864), (1936, 132552), (2016, 127292), (2104, 121968), (2112, 121506), (2178, 117824), (2367, 108416), (2464, 104148), (2541, 100992), (2688, 95469), (2772, 92576), (2893, 88704), (2904, 88368), (3156, 81312), (3168, 81004), (3388, 75744), (3682, 69696), (3696, 69432), (3872, 66276), (4032, 63646), (4208, 60984), (4224, 60753), (4356, 58912), (4734, 54208), (4928, 52074), (5082, 50496), (5523, 46464), (5544, 46288), (5786, 44352), (5808, 44184), (6312, 40656), (6336, 40502), (6776, 37872), (7364, 34848), (7392, 34716), (7623, 33664), (7744, 33138), (8064, 31823), (8416, 30492), (8679, 29568), (8712, 29456), (9468, 27104), (9856, 26037), (10164, 25248), (11046, 23232), (11088, 23144), (11572, 22176), (11616, 22092), (12624, 20328), (12672, 20251), (13552, 18936), (14728, 17424), (14784, 17358), (15246, 16832), (15488, 16569)]