256832576

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:273

約数の個数: 224

約数和(自身を含む): 723717120

約数和(自身を除く): 466884544

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 19, 22, 26, 28, 32, 38, 44, 52, 56, 64, 76, 77, 88, 91, 104, 112, 133, 143, 152, 154, 176, 182, 208, 209, 211, 224, 247, 266, 286, 304, 308, 352, 364, 416, 418, 422, 448, 494, 532, 572, 608, 616, 704, 728, 832, 836, 844, 988, 1001, 1064, 1144, 1216, 1232, 1456, 1463, 1477, 1672, 1688, 1729, 1976, 2002, 2128, 2288, 2321, 2464, 2717, 2743, 2912, 2926, 2954, 3344, 3376, 3458, 3952, 4004, 4009, 4256, 4576, 4642, 4928, 5434, 5486, 5824, 5852, 5908, 6688, 6752, 6916, 7904, 8008, 8018, 8512, 9152, 9284, 10868, 10972, 11704, 11816, 13376, 13504, 13832, 15808, 16016, 16036, 16247, 18568, 19019, 19201, 21736, 21944, 23408, 23632, 27664, 28063, 30173, 32032, 32072, 32494, 37136, 38038, 38402, 43472, 43888, 44099, 46816, 47264, 52117, 55328, 56126, 60346, 64064, 64144, 64988, 74272, 76076, 76804, 86944, 87776, 88198, 93632, 94528, 104234, 110656, 112252, 120692, 128288, 129976, 148544, 152152, 153608, 173888, 175552, 176396, 208468, 211211, 224504, 241384, 256576, 259952, 304304, 307216, 308693, 352792, 364819, 416936, 422422, 449008, 482768, 519904, 573287, 608608, 614432, 617386, 705584, 729638, 833872, 844844, 898016, 965536, 1039808, 1146574, 1217216, 1228864, 1234772, 1411168, 1459276, 1667744, 1689688, 1796032, 1931072, 2293148, 2469544, 2822336, 2918552, 3335488, 3379376, 4013009, 4586296, 4939088, 5837104, 6758752, 8026018, 9172592, 9878176, 11674208, 13517504, 16052036, 18345184, 19756352, 23348416, 32104072, 36690368, 64208144, 128416288, 256832576]

約数ペア:

[(1, 256832576), (2, 128416288), (4, 64208144), (7, 36690368), (8, 32104072), (11, 23348416), (13, 19756352), (14, 18345184), (16, 16052036), (19, 13517504), (22, 11674208), (26, 9878176), (28, 9172592), (32, 8026018), (38, 6758752), (44, 5837104), (52, 4939088), (56, 4586296), (64, 4013009), (76, 3379376), (77, 3335488), (88, 2918552), (91, 2822336), (104, 2469544), (112, 2293148), (133, 1931072), (143, 1796032), (152, 1689688), (154, 1667744), (176, 1459276), (182, 1411168), (208, 1234772), (209, 1228864), (211, 1217216), (224, 1146574), (247, 1039808), (266, 965536), (286, 898016), (304, 844844), (308, 833872), (352, 729638), (364, 705584), (416, 617386), (418, 614432), (422, 608608), (448, 573287), (494, 519904), (532, 482768), (572, 449008), (608, 422422), (616, 416936), (704, 364819), (728, 352792), (832, 308693), (836, 307216), (844, 304304), (988, 259952), (1001, 256576), (1064, 241384), (1144, 224504), (1216, 211211), (1232, 208468), (1456, 176396), (1463, 175552), (1477, 173888), (1672, 153608), (1688, 152152), (1729, 148544), (1976, 129976), (2002, 128288), (2128, 120692), (2288, 112252), (2321, 110656), (2464, 104234), (2717, 94528), (2743, 93632), (2912, 88198), (2926, 87776), (2954, 86944), (3344, 76804), (3376, 76076), (3458, 74272), (3952, 64988), (4004, 64144), (4009, 64064), (4256, 60346), (4576, 56126), (4642, 55328), (4928, 52117), (5434, 47264), (5486, 46816), (5824, 44099), (5852, 43888), (5908, 43472), (6688, 38402), (6752, 38038), (6916, 37136), (7904, 32494), (8008, 32072), (8018, 32032), (8512, 30173), (9152, 28063), (9284, 27664), (10868, 23632), (10972, 23408), (11704, 21944), (11816, 21736), (13376, 19201), (13504, 19019), (13832, 18568), (15808, 16247), (16016, 16036)]