840688128

素因数分解:

$2^9\times 3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{389}}^1$

素因数の和:487

約数の個数: 240

約数和(自身を含む): 2821515840

約数和(自身を除く): 1980827712

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 67, 72, 84, 96, 112, 126, 128, 134, 144, 168, 192, 201, 224, 252, 256, 268, 288, 336, 384, 389, 402, 448, 469, 504, 512, 536, 576, 603, 672, 768, 778, 804, 896, 938, 1008, 1072, 1152, 1167, 1206, 1344, 1407, 1536, 1556, 1608, 1792, 1876, 2016, 2144, 2304, 2334, 2412, 2688, 2723, 2814, 3112, 3216, 3501, 3584, 3752, 4032, 4221, 4288, 4608, 4668, 4824, 5376, 5446, 5628, 6224, 6432, 7002, 7504, 8064, 8169, 8442, 8576, 9336, 9648, 10752, 10892, 11256, 12448, 12864, 14004, 15008, 16128, 16338, 16884, 17152, 18672, 19296, 21784, 22512, 24507, 24896, 25728, 26063, 28008, 30016, 32256, 32676, 33768, 34304, 37344, 38592, 43568, 45024, 49014, 49792, 51456, 52126, 56016, 60032, 65352, 67536, 74688, 77184, 78189, 87136, 90048, 98028, 99584, 102912, 104252, 112032, 120064, 130704, 135072, 149376, 154368, 156378, 174272, 180096, 182441, 196056, 199168, 208504, 224064, 234567, 240128, 261408, 270144, 298752, 308736, 312756, 348544, 360192, 364882, 392112, 417008, 448128, 469134, 522816, 540288, 547323, 597504, 625512, 697088, 720384, 729764, 784224, 834016, 896256, 938268, 1045632, 1080576, 1094646, 1251024, 1394176, 1459528, 1568448, 1641969, 1668032, 1792512, 1876536, 2091264, 2161152, 2189292, 2502048, 2919056, 3136896, 3283938, 3336064, 3753072, 4182528, 4378584, 5004096, 5838112, 6273792, 6567876, 6672128, 7506144, 8757168, 10008192, 11676224, 12547584, 13135752, 13344256, 15012288, 17514336, 20016384, 23352448, 26271504, 30024576, 35028672, 40032768, 46704896, 52543008, 60049152, 70057344, 93409792, 105086016, 120098304, 140114688, 210172032, 280229376, 420344064, 840688128]

約数ペア:

[(1, 840688128), (2, 420344064), (3, 280229376), (4, 210172032), (6, 140114688), (7, 120098304), (8, 105086016), (9, 93409792), (12, 70057344), (14, 60049152), (16, 52543008), (18, 46704896), (21, 40032768), (24, 35028672), (28, 30024576), (32, 26271504), (36, 23352448), (42, 20016384), (48, 17514336), (56, 15012288), (63, 13344256), (64, 13135752), (67, 12547584), (72, 11676224), (84, 10008192), (96, 8757168), (112, 7506144), (126, 6672128), (128, 6567876), (134, 6273792), (144, 5838112), (168, 5004096), (192, 4378584), (201, 4182528), (224, 3753072), (252, 3336064), (256, 3283938), (268, 3136896), (288, 2919056), (336, 2502048), (384, 2189292), (389, 2161152), (402, 2091264), (448, 1876536), (469, 1792512), (504, 1668032), (512, 1641969), (536, 1568448), (576, 1459528), (603, 1394176), (672, 1251024), (768, 1094646), (778, 1080576), (804, 1045632), (896, 938268), (938, 896256), (1008, 834016), (1072, 784224), (1152, 729764), (1167, 720384), (1206, 697088), (1344, 625512), (1407, 597504), (1536, 547323), (1556, 540288), (1608, 522816), (1792, 469134), (1876, 448128), (2016, 417008), (2144, 392112), (2304, 364882), (2334, 360192), (2412, 348544), (2688, 312756), (2723, 308736), (2814, 298752), (3112, 270144), (3216, 261408), (3501, 240128), (3584, 234567), (3752, 224064), (4032, 208504), (4221, 199168), (4288, 196056), (4608, 182441), (4668, 180096), (4824, 174272), (5376, 156378), (5446, 154368), (5628, 149376), (6224, 135072), (6432, 130704), (7002, 120064), (7504, 112032), (8064, 104252), (8169, 102912), (8442, 99584), (8576, 98028), (9336, 90048), (9648, 87136), (10752, 78189), (10892, 77184), (11256, 74688), (12448, 67536), (12864, 65352), (14004, 60032), (15008, 56016), (16128, 52126), (16338, 51456), (16884, 49792), (17152, 49014), (18672, 45024), (19296, 43568), (21784, 38592), (22512, 37344), (24507, 34304), (24896, 33768), (25728, 32676), (26063, 32256), (28008, 30016)]