2561051520

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:547

約数の個数: 320

約数和(自身を含む): 9241689600

約数和(自身を除く): 6680638080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 127, 128, 135, 144, 160, 162, 180, 192, 216, 240, 254, 270, 288, 320, 324, 360, 381, 384, 389, 405, 432, 480, 508, 540, 576, 635, 640, 648, 720, 762, 778, 810, 864, 960, 1016, 1080, 1143, 1152, 1167, 1270, 1296, 1440, 1524, 1556, 1620, 1728, 1905, 1920, 1945, 2032, 2160, 2286, 2334, 2540, 2592, 2880, 3048, 3112, 3240, 3429, 3456, 3501, 3810, 3890, 4064, 4320, 4572, 4668, 5080, 5184, 5715, 5760, 5835, 6096, 6224, 6480, 6858, 7002, 7620, 7780, 8128, 8640, 9144, 9336, 10160, 10287, 10368, 10503, 11430, 11670, 12192, 12448, 12960, 13716, 14004, 15240, 15560, 16256, 17145, 17280, 17505, 18288, 18672, 20320, 20574, 21006, 22860, 23340, 24384, 24896, 25920, 27432, 28008, 30480, 31120, 31509, 34290, 35010, 36576, 37344, 40640, 41148, 42012, 45720, 46680, 48768, 49403, 49792, 51435, 51840, 52515, 54864, 56016, 60960, 62240, 63018, 68580, 70020, 73152, 74688, 81280, 82296, 84024, 91440, 93360, 98806, 102870, 105030, 109728, 112032, 121920, 124480, 126036, 137160, 140040, 146304, 148209, 149376, 157545, 164592, 168048, 182880, 186720, 197612, 205740, 210060, 219456, 224064, 243840, 247015, 248960, 252072, 274320, 280080, 296418, 315090, 329184, 336096, 365760, 373440, 395224, 411480, 420120, 438912, 444627, 448128, 494030, 504144, 548640, 560160, 592836, 630180, 658368, 672192, 731520, 741045, 746880, 790448, 822960, 840240, 889254, 988060, 1008288, 1097280, 1120320, 1185672, 1260360, 1316736, 1333881, 1344384, 1482090, 1580896, 1645920, 1680480, 1778508, 1976120, 2016576, 2194560, 2223135, 2240640, 2371344, 2520720, 2667762, 2964180, 3161792, 3291840, 3360960, 3557016, 3952240, 4001643, 4033152, 4446270, 4742688, 5041440, 5335524, 5928360, 6323584, 6583680, 6669405, 6721920, 7114032, 7904480, 8003286, 8892540, 9485376, 10082880, 10671048, 11856720, 13338810, 14228064, 15808960, 16006572, 17785080, 18970752, 20008215, 20165760, 21342096, 23713440, 26677620, 28456128, 31617920, 32013144, 35570160, 40016430, 42684192, 47426880, 53355240, 56912256, 64026288, 71140320, 80032860, 85368384, 94853760, 106710480, 128052576, 142280640, 160065720, 170736768, 213420960, 256105152, 284561280, 320131440, 426841920, 512210304, 640262880, 853683840, 1280525760, 2561051520]

約数ペア:

[(1, 2561051520), (2, 1280525760), (3, 853683840), (4, 640262880), (5, 512210304), (6, 426841920), (8, 320131440), (9, 284561280), (10, 256105152), (12, 213420960), (15, 170736768), (16, 160065720), (18, 142280640), (20, 128052576), (24, 106710480), (27, 94853760), (30, 85368384), (32, 80032860), (36, 71140320), (40, 64026288), (45, 56912256), (48, 53355240), (54, 47426880), (60, 42684192), (64, 40016430), (72, 35570160), (80, 32013144), (81, 31617920), (90, 28456128), (96, 26677620), (108, 23713440), (120, 21342096), (127, 20165760), (128, 20008215), (135, 18970752), (144, 17785080), (160, 16006572), (162, 15808960), (180, 14228064), (192, 13338810), (216, 11856720), (240, 10671048), (254, 10082880), (270, 9485376), (288, 8892540), (320, 8003286), (324, 7904480), (360, 7114032), (381, 6721920), (384, 6669405), (389, 6583680), (405, 6323584), (432, 5928360), (480, 5335524), (508, 5041440), (540, 4742688), (576, 4446270), (635, 4033152), (640, 4001643), (648, 3952240), (720, 3557016), (762, 3360960), (778, 3291840), (810, 3161792), (864, 2964180), (960, 2667762), (1016, 2520720), (1080, 2371344), (1143, 2240640), (1152, 2223135), (1167, 2194560), (1270, 2016576), (1296, 1976120), (1440, 1778508), (1524, 1680480), (1556, 1645920), (1620, 1580896), (1728, 1482090), (1905, 1344384), (1920, 1333881), (1945, 1316736), (2032, 1260360), (2160, 1185672), (2286, 1120320), (2334, 1097280), (2540, 1008288), (2592, 988060), (2880, 889254), (3048, 840240), (3112, 822960), (3240, 790448), (3429, 746880), (3456, 741045), (3501, 731520), (3810, 672192), (3890, 658368), (4064, 630180), (4320, 592836), (4572, 560160), (4668, 548640), (5080, 504144), (5184, 494030), (5715, 448128), (5760, 444627), (5835, 438912), (6096, 420120), (6224, 411480), (6480, 395224), (6858, 373440), (7002, 365760), (7620, 336096), (7780, 329184), (8128, 315090), (8640, 296418), (9144, 280080), (9336, 274320), (10160, 252072), (10287, 248960), (10368, 247015), (10503, 243840), (11430, 224064), (11670, 219456), (12192, 210060), (12448, 205740), (12960, 197612), (13716, 186720), (14004, 182880), (15240, 168048), (15560, 164592), (16256, 157545), (17145, 149376), (17280, 148209), (17505, 146304), (18288, 140040), (18672, 137160), (20320, 126036), (20574, 124480), (21006, 121920), (22860, 112032), (23340, 109728), (24384, 105030), (24896, 102870), (25920, 98806), (27432, 93360), (28008, 91440), (30480, 84024), (31120, 82296), (31509, 81280), (34290, 74688), (35010, 73152), (36576, 70020), (37344, 68580), (40640, 63018), (41148, 62240), (42012, 60960), (45720, 56016), (46680, 54864), (48768, 52515), (49403, 51840), (49792, 51435)]