81341568

素因数分解:

$2^7\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1$

素因数の和:176

約数の個数: 288

約数和(自身を含む): 299304720

約数和(自身を除く): 217963152

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, 49, 56, 63, 64, 66, 72, 77, 84, 88, 96, 98, 99, 112, 126, 128, 131, 132, 144, 147, 154, 168, 176, 192, 196, 198, 224, 231, 252, 262, 264, 288, 294, 308, 336, 352, 384, 392, 393, 396, 441, 448, 462, 504, 524, 528, 539, 576, 588, 616, 672, 693, 704, 784, 786, 792, 882, 896, 917, 924, 1008, 1048, 1056, 1078, 1152, 1176, 1179, 1232, 1344, 1386, 1408, 1441, 1568, 1572, 1584, 1617, 1764, 1834, 1848, 2016, 2096, 2112, 2156, 2352, 2358, 2464, 2688, 2751, 2772, 2882, 3136, 3144, 3168, 3234, 3528, 3668, 3696, 4032, 4192, 4224, 4312, 4323, 4704, 4716, 4851, 4928, 5502, 5544, 5764, 6272, 6288, 6336, 6419, 6468, 7056, 7336, 7392, 8064, 8253, 8384, 8624, 8646, 9408, 9432, 9702, 9856, 10087, 11004, 11088, 11528, 12576, 12672, 12838, 12936, 12969, 14112, 14672, 14784, 16506, 16768, 17248, 17292, 18816, 18864, 19257, 19404, 20174, 22008, 22176, 23056, 25152, 25676, 25872, 25938, 28224, 29344, 29568, 30261, 33012, 34496, 34584, 37728, 38514, 38808, 40348, 44016, 44352, 46112, 50304, 51352, 51744, 51876, 56448, 57771, 58688, 60522, 66024, 68992, 69168, 70609, 75456, 77028, 77616, 80696, 88032, 88704, 90783, 92224, 102704, 103488, 103752, 115542, 117376, 121044, 132048, 138336, 141218, 150912, 154056, 155232, 161392, 176064, 181566, 184448, 205408, 206976, 207504, 211827, 231084, 242088, 264096, 276672, 282436, 308112, 310464, 322784, 352128, 363132, 410816, 415008, 423654, 462168, 484176, 528192, 553344, 564872, 616224, 620928, 635481, 645568, 726264, 821632, 830016, 847308, 924336, 968352, 1056384, 1129744, 1232448, 1270962, 1291136, 1452528, 1660032, 1694616, 1848672, 1936704, 2259488, 2464896, 2541924, 2905056, 3389232, 3697344, 3873408, 4518976, 5083848, 5810112, 6778464, 7394688, 9037952, 10167696, 11620224, 13556928, 20335392, 27113856, 40670784, 81341568]

約数ペア:

[(1, 81341568), (2, 40670784), (3, 27113856), (4, 20335392), (6, 13556928), (7, 11620224), (8, 10167696), (9, 9037952), (11, 7394688), (12, 6778464), (14, 5810112), (16, 5083848), (18, 4518976), (21, 3873408), (22, 3697344), (24, 3389232), (28, 2905056), (32, 2541924), (33, 2464896), (36, 2259488), (42, 1936704), (44, 1848672), (48, 1694616), (49, 1660032), (56, 1452528), (63, 1291136), (64, 1270962), (66, 1232448), (72, 1129744), (77, 1056384), (84, 968352), (88, 924336), (96, 847308), (98, 830016), (99, 821632), (112, 726264), (126, 645568), (128, 635481), (131, 620928), (132, 616224), (144, 564872), (147, 553344), (154, 528192), (168, 484176), (176, 462168), (192, 423654), (196, 415008), (198, 410816), (224, 363132), (231, 352128), (252, 322784), (262, 310464), (264, 308112), (288, 282436), (294, 276672), (308, 264096), (336, 242088), (352, 231084), (384, 211827), (392, 207504), (393, 206976), (396, 205408), (441, 184448), (448, 181566), (462, 176064), (504, 161392), (524, 155232), (528, 154056), (539, 150912), (576, 141218), (588, 138336), (616, 132048), (672, 121044), (693, 117376), (704, 115542), (784, 103752), (786, 103488), (792, 102704), (882, 92224), (896, 90783), (917, 88704), (924, 88032), (1008, 80696), (1048, 77616), (1056, 77028), (1078, 75456), (1152, 70609), (1176, 69168), (1179, 68992), (1232, 66024), (1344, 60522), (1386, 58688), (1408, 57771), (1441, 56448), (1568, 51876), (1572, 51744), (1584, 51352), (1617, 50304), (1764, 46112), (1834, 44352), (1848, 44016), (2016, 40348), (2096, 38808), (2112, 38514), (2156, 37728), (2352, 34584), (2358, 34496), (2464, 33012), (2688, 30261), (2751, 29568), (2772, 29344), (2882, 28224), (3136, 25938), (3144, 25872), (3168, 25676), (3234, 25152), (3528, 23056), (3668, 22176), (3696, 22008), (4032, 20174), (4192, 19404), (4224, 19257), (4312, 18864), (4323, 18816), (4704, 17292), (4716, 17248), (4851, 16768), (4928, 16506), (5502, 14784), (5544, 14672), (5764, 14112), (6272, 12969), (6288, 12936), (6336, 12838), (6419, 12672), (6468, 12576), (7056, 11528), (7336, 11088), (7392, 11004), (8064, 10087), (8253, 9856), (8384, 9702), (8624, 9432), (8646, 9408)]