20868140160

素因数分解:

$2^7\times 3^5\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{661}}^1$

素因数の和:731

約数の個数: 768

約数和(自身を含む): 88483449600

約数和(自身を除く): 67615309440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 29, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 58, 60, 63, 64, 70, 72, 80, 81, 84, 87, 90, 96, 105, 108, 112, 116, 120, 126, 128, 135, 140, 144, 145, 160, 162, 168, 174, 180, 189, 192, 203, 210, 216, 224, 232, 240, 243, 252, 261, 270, 280, 288, 290, 315, 320, 324, 336, 348, 360, 378, 384, 405, 406, 420, 432, 435, 448, 464, 480, 486, 504, 522, 540, 560, 567, 576, 580, 609, 630, 640, 648, 661, 672, 696, 720, 756, 783, 810, 812, 840, 864, 870, 896, 928, 945, 960, 972, 1008, 1015, 1044, 1080, 1120, 1134, 1152, 1160, 1215, 1218, 1260, 1296, 1305, 1322, 1344, 1392, 1440, 1512, 1566, 1620, 1624, 1680, 1701, 1728, 1740, 1827, 1856, 1890, 1920, 1944, 1983, 2016, 2030, 2088, 2160, 2240, 2268, 2320, 2349, 2430, 2436, 2520, 2592, 2610, 2644, 2688, 2784, 2835, 2880, 3024, 3045, 3132, 3240, 3248, 3305, 3360, 3402, 3456, 3480, 3654, 3712, 3780, 3888, 3915, 3966, 4032, 4060, 4176, 4320, 4480, 4536, 4627, 4640, 4698, 4860, 4872, 5040, 5184, 5220, 5288, 5481, 5568, 5670, 5760, 5949, 6048, 6090, 6264, 6480, 6496, 6610, 6720, 6804, 6960, 7047, 7308, 7560, 7776, 7830, 7932, 8064, 8120, 8352, 8505, 8640, 9072, 9135, 9254, 9280, 9396, 9720, 9744, 9915, 10080, 10368, 10440, 10576, 10962, 11136, 11340, 11745, 11898, 12096, 12180, 12528, 12960, 12992, 13220, 13440, 13608, 13881, 13920, 14094, 14616, 15120, 15552, 15660, 15864, 16240, 16443, 16704, 17010, 17280, 17847, 18144, 18270, 18508, 18560, 18792, 19169, 19440, 19488, 19830, 20160, 20880, 21152, 21924, 22680, 23135, 23490, 23796, 24192, 24360, 25056, 25920, 25984, 26440, 27216, 27405, 27762, 27840, 28188, 29232, 29745, 30240, 31104, 31320, 31728, 32480, 32886, 33408, 34020, 35235, 35694, 36288, 36540, 37016, 37584, 38338, 38880, 38976, 39660, 40320, 41643, 41760, 42304, 43848, 45360, 46270, 46980, 47592, 48720, 49329, 50112, 51840, 52880, 53541, 54432, 54810, 55524, 55680, 56376, 57507, 58464, 59490, 60480, 62640, 63456, 64960, 65772, 68040, 69405, 70470, 71388, 72576, 73080, 74032, 75168, 76676, 77760, 77952, 79320, 82215, 83286, 83520, 84608, 87696, 89235, 90720, 92540, 93960, 95184, 95845, 97440, 98658, 100224, 105760, 107082, 108864, 109620, 111048, 112752, 115014, 116928, 118980, 120960, 124929, 125280, 126912, 129920, 131544, 134183, 136080, 138810, 140940, 142776, 146160, 148064, 150336, 153352, 155520, 158640, 160623, 164430, 166572, 167040, 172521, 175392, 178470, 181440, 185080, 187920, 190368, 191690, 194880, 197316, 208215, 211520, 214164, 217728, 219240, 222096, 225504, 230028, 233856, 237960, 246645, 249858, 250560, 253824, 263088, 267705, 268366, 272160, 277620, 281880, 285552, 287535, 292320, 296128, 300672, 306704, 317280, 321246, 328860, 333144, 345042, 350784, 356940, 362880, 370160, 374787, 375840, 380736, 383380, 389760, 394632, 402549, 416430, 423040, 428328, 438480, 444192, 451008, 460056, 475920, 493290, 499716, 501120, 517563, 526176, 535410, 536732, 544320, 555240, 563760, 571104, 575070, 584640, 592256, 613408, 624645, 634560, 642492, 657720, 666288, 670915, 690084, 701568, 713880, 740320, 749574, 751680, 761472, 766760, 789264, 803115, 805098, 832860, 856656, 862605, 876960, 888384, 902016, 920112, 951840, 986580, 999432, 1035126, 1052352, 1070820, 1073464, 1088640, 1110480, 1124361, 1127520, 1142208, 1150140, 1169280, 1207647, 1226816, 1249290, 1269120, 1284984, 1315440, 1332576, 1341830, 1380168, 1427760, 1480640, 1499148, 1503360, 1533520, 1552689, 1578528, 1606230, 1610196, 1665720, 1713312, 1725210, 1753920, 1776768, 1840224, 1873935, 1903680, 1973160, 1998864, 2012745, 2070252, 2104704, 2141640, 2146928, 2220960, 2248722, 2255040, 2284416, 2300280, 2415294, 2453632, 2498580, 2569968, 2587815, 2630880, 2665152, 2683660, 2760336, 2855520, 2961280, 2998296, 3067040, 3105378, 3157056, 3212460, 3220392, 3331440, 3426624, 3450420, 3507840, 3622941, 3680448, 3747870, 3807360, 3946320, 3997728, 4025490, 4140504, 4283280, 4293856, 4441920, 4497444, 4510080, 4600560, 4658067, 4830588, 4997160, 5139936, 5175630, 5261760, 5330304, 5367320, 5520672, 5621805, 5711040, 5996592, 6038235, 6134080, 6210756, 6314112, 6424920, 6440784, 6662880, 6853248, 6900840, 7245882, 7360896, 7495740, 7763445, 7892640, 7995456, 8050980, 8281008, 8566560, 8587712, 8883840, 8994888, 9201120, 9316134, 9661176, 9994320, 10279872, 10351260, 10523520, 10734640, 10868823, 11041344, 11243610, 11422080, 11993184, 12076470, 12268160, 12421512, 12849840, 12881568, 13325760, 13801680, 14491764, 14991480, 15526890, 15785280, 15990912, 16101960, 16562016, 17133120, 17175424, 17989776, 18114705, 18402240, 18632268, 19322352, 19988640, 20559744, 20702520, 21469280, 21737646, 22082688, 22487220, 23290335, 23986368, 24152940, 24843024, 25699680, 25763136, 26651520, 27603360, 28983528, 29982960, 31053780, 31570560, 32203920, 32606469, 33124032, 34266240, 35979552, 36229410, 36804480, 37264536, 38644704, 39977280, 41405040, 42938560, 43475292, 44974440, 46580670, 47972736, 48305880, 49686048, 51399360, 51526272, 54344115, 55206720, 57967056, 59965920, 62107560, 64407840, 65212938, 66248064, 71959104, 72458820, 74529072, 77289408, 79954560, 82810080, 85877120, 86950584, 89948880, 93161340, 96611760, 99372096, 102798720, 108688230, 110413440, 115934112, 119931840, 124215120, 128815680, 130425876, 143918208, 144917640, 149058144, 154578816, 163032345, 165620160, 173901168, 179897760, 186322680, 193223520, 198744192, 217376460, 231868224, 239863680, 248430240, 257631360, 260851752, 289835280, 298116288, 326064690, 331240320, 347802336, 359795520, 372645360, 386447040, 434752920, 463736448, 496860480, 521703504, 579670560, 596232576, 652129380, 695604672, 719591040, 745290720, 772894080, 869505840, 993720960, 1043407008, 1159341120, 1304258760, 1391209344, 1490581440, 1739011680, 2086814016, 2318682240, 2608517520, 2981162880, 3478023360, 4173628032, 5217035040, 6956046720, 10434070080, 20868140160]

約数ペア:

[(1, 20868140160), (2, 10434070080), (3, 6956046720), (4, 5217035040), (5, 4173628032), (6, 3478023360), (7, 2981162880), (8, 2608517520), (9, 2318682240), (10, 2086814016), (12, 1739011680), (14, 1490581440), (15, 1391209344), (16, 1304258760), (18, 1159341120), (20, 1043407008), (21, 993720960), (24, 869505840), (27, 772894080), (28, 745290720), (29, 719591040), (30, 695604672), (32, 652129380), (35, 596232576), (36, 579670560), (40, 521703504), (42, 496860480), (45, 463736448), (48, 434752920), (54, 386447040), (56, 372645360), (58, 359795520), (60, 347802336), (63, 331240320), (64, 326064690), (70, 298116288), (72, 289835280), (80, 260851752), (81, 257631360), (84, 248430240), (87, 239863680), (90, 231868224), (96, 217376460), (105, 198744192), (108, 193223520), (112, 186322680), (116, 179897760), (120, 173901168), (126, 165620160), (128, 163032345), (135, 154578816), (140, 149058144), (144, 144917640), (145, 143918208), (160, 130425876), (162, 128815680), (168, 124215120), (174, 119931840), (180, 115934112), (189, 110413440), (192, 108688230), (203, 102798720), (210, 99372096), (216, 96611760), (224, 93161340), (232, 89948880), (240, 86950584), (243, 85877120), (252, 82810080), (261, 79954560), (270, 77289408), (280, 74529072), (288, 72458820), (290, 71959104), (315, 66248064), (320, 65212938), (324, 64407840), (336, 62107560), (348, 59965920), (360, 57967056), (378, 55206720), (384, 54344115), (405, 51526272), (406, 51399360), (420, 49686048), (432, 48305880), (435, 47972736), (448, 46580670), (464, 44974440), (480, 43475292), (486, 42938560), (504, 41405040), (522, 39977280), (540, 38644704), (560, 37264536), (567, 36804480), (576, 36229410), (580, 35979552), (609, 34266240), (630, 33124032), (640, 32606469), (648, 32203920), (661, 31570560), (672, 31053780), (696, 29982960), (720, 28983528), (756, 27603360), (783, 26651520), (810, 25763136), (812, 25699680), (840, 24843024), (864, 24152940), (870, 23986368), (896, 23290335), (928, 22487220), (945, 22082688), (960, 21737646), (972, 21469280), (1008, 20702520), (1015, 20559744), (1044, 19988640), (1080, 19322352), (1120, 18632268), (1134, 18402240), (1152, 18114705), (1160, 17989776), (1215, 17175424), (1218, 17133120), (1260, 16562016), (1296, 16101960), (1305, 15990912), (1322, 15785280), (1344, 15526890), (1392, 14991480), (1440, 14491764), (1512, 13801680), (1566, 13325760), (1620, 12881568), (1624, 12849840), (1680, 12421512), (1701, 12268160), (1728, 12076470), (1740, 11993184), (1827, 11422080), (1856, 11243610), (1890, 11041344), (1920, 10868823), (1944, 10734640), (1983, 10523520), (2016, 10351260), (2030, 10279872), (2088, 9994320), (2160, 9661176), (2240, 9316134), (2268, 9201120), (2320, 8994888), (2349, 8883840), (2430, 8587712), (2436, 8566560), (2520, 8281008), (2592, 8050980), (2610, 7995456), (2644, 7892640), (2688, 7763445), (2784, 7495740), (2835, 7360896), (2880, 7245882), (3024, 6900840), (3045, 6853248), (3132, 6662880), (3240, 6440784), (3248, 6424920), (3305, 6314112), (3360, 6210756), (3402, 6134080), (3456, 6038235), (3480, 5996592), (3654, 5711040), (3712, 5621805), (3780, 5520672), (3888, 5367320), (3915, 5330304), (3966, 5261760), (4032, 5175630), (4060, 5139936), (4176, 4997160), (4320, 4830588), (4480, 4658067), (4536, 4600560), (4627, 4510080), (4640, 4497444), (4698, 4441920), (4860, 4293856), (4872, 4283280), (5040, 4140504), (5184, 4025490), (5220, 3997728), (5288, 3946320), (5481, 3807360), (5568, 3747870), (5670, 3680448), (5760, 3622941), (5949, 3507840), (6048, 3450420), (6090, 3426624), (6264, 3331440), (6480, 3220392), (6496, 3212460), (6610, 3157056), (6720, 3105378), (6804, 3067040), (6960, 2998296), (7047, 2961280), (7308, 2855520), (7560, 2760336), (7776, 2683660), (7830, 2665152), (7932, 2630880), (8064, 2587815), (8120, 2569968), (8352, 2498580), (8505, 2453632), (8640, 2415294), (9072, 2300280), (9135, 2284416), (9254, 2255040), (9280, 2248722), (9396, 2220960), (9720, 2146928), (9744, 2141640), (9915, 2104704), (10080, 2070252), (10368, 2012745), (10440, 1998864), (10576, 1973160), (10962, 1903680), (11136, 1873935), (11340, 1840224), (11745, 1776768), (11898, 1753920), (12096, 1725210), (12180, 1713312), (12528, 1665720), (12960, 1610196), (12992, 1606230), (13220, 1578528), (13440, 1552689), (13608, 1533520), (13881, 1503360), (13920, 1499148), (14094, 1480640), (14616, 1427760), (15120, 1380168), (15552, 1341830), (15660, 1332576), (15864, 1315440), (16240, 1284984), (16443, 1269120), (16704, 1249290), (17010, 1226816), (17280, 1207647), (17847, 1169280), (18144, 1150140), (18270, 1142208), (18508, 1127520), (18560, 1124361), (18792, 1110480), (19169, 1088640), (19440, 1073464), (19488, 1070820), (19830, 1052352), (20160, 1035126), (20880, 999432), (21152, 986580), (21924, 951840), (22680, 920112), (23135, 902016), (23490, 888384), (23796, 876960), (24192, 862605), (24360, 856656), (25056, 832860), (25920, 805098), (25984, 803115), (26440, 789264), (27216, 766760), (27405, 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(75168, 277620), (76676, 272160), (77760, 268366), (77952, 267705), (79320, 263088), (82215, 253824), (83286, 250560), (83520, 249858), (84608, 246645), (87696, 237960), (89235, 233856), (90720, 230028), (92540, 225504), (93960, 222096), (95184, 219240), (95845, 217728), (97440, 214164), (98658, 211520), (100224, 208215), (105760, 197316), (107082, 194880), (108864, 191690), (109620, 190368), (111048, 187920), (112752, 185080), (115014, 181440), (116928, 178470), (118980, 175392), (120960, 172521), (124929, 167040), (125280, 166572), (126912, 164430), (129920, 160623), (131544, 158640), (134183, 155520), (136080, 153352), (138810, 150336), (140940, 148064), (142776, 146160)]