20655855360

素因数分解:

$2^8\times 3^5\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:275

約数の個数: 864

約数和(自身を含む): 86782026240

約数和(自身を除く): 66126170880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 53, 54, 56, 60, 63, 64, 70, 72, 80, 81, 84, 90, 96, 105, 106, 108, 112, 120, 126, 128, 135, 140, 144, 159, 160, 162, 168, 179, 180, 189, 192, 210, 212, 216, 224, 240, 243, 252, 256, 265, 270, 280, 288, 315, 318, 320, 324, 336, 358, 360, 371, 378, 384, 405, 420, 424, 432, 448, 477, 480, 486, 504, 530, 537, 540, 560, 567, 576, 630, 636, 640, 648, 672, 716, 720, 742, 756, 768, 795, 810, 840, 848, 864, 895, 896, 945, 954, 960, 972, 1008, 1060, 1074, 1080, 1113, 1120, 1134, 1152, 1215, 1253, 1260, 1272, 1280, 1296, 1344, 1431, 1432, 1440, 1484, 1512, 1590, 1611, 1620, 1680, 1696, 1701, 1728, 1790, 1792, 1855, 1890, 1908, 1920, 1944, 2016, 2120, 2148, 2160, 2226, 2240, 2268, 2304, 2385, 2430, 2506, 2520, 2544, 2592, 2685, 2688, 2835, 2862, 2864, 2880, 2968, 3024, 3180, 3222, 3240, 3339, 3360, 3392, 3402, 3456, 3580, 3710, 3759, 3780, 3816, 3840, 3888, 4032, 4240, 4293, 4296, 4320, 4452, 4480, 4536, 4770, 4833, 4860, 5012, 5040, 5088, 5184, 5370, 5376, 5565, 5670, 5724, 5728, 5760, 5936, 6048, 6265, 6360, 6444, 6480, 6678, 6720, 6784, 6804, 6912, 7155, 7160, 7420, 7518, 7560, 7632, 7776, 8055, 8064, 8480, 8505, 8586, 8592, 8640, 8904, 8960, 9072, 9487, 9540, 9666, 9720, 10017, 10024, 10080, 10176, 10368, 10740, 11130, 11277, 11340, 11448, 11456, 11520, 11872, 12096, 12530, 12720, 12879, 12888, 12960, 13356, 13440, 13568, 13608, 14310, 14320, 14499, 14840, 15036, 15120, 15264, 15552, 16110, 16128, 16695, 16960, 17010, 17172, 17184, 17280, 17808, 18144, 18795, 18974, 19080, 19332, 19440, 20034, 20048, 20160, 20352, 20736, 21465, 21480, 22260, 22554, 22680, 22896, 22912, 23744, 24165, 24192, 25060, 25440, 25758, 25776, 25920, 26712, 26880, 27216, 28461, 28620, 28640, 28998, 29680, 30051, 30072, 30240, 30528, 31104, 32220, 33390, 33831, 33920, 34020, 34344, 34368, 34560, 35616, 36288, 37590, 37948, 38160, 38664, 38880, 40068, 40096, 40320, 40704, 42930, 42960, 43497, 44520, 45108, 45360, 45792, 45824, 47435, 47488, 48330, 48384, 50085, 50120, 50880, 51516, 51552, 51840, 53424, 54432, 56385, 56922, 57240, 57280, 57996, 59360, 60102, 60144, 60480, 61056, 62208, 64395, 64440, 66409, 66780, 67662, 67840, 68040, 68688, 68736, 71232, 72495, 72576, 75180, 75896, 76320, 77328, 77760, 80136, 80192, 80640, 85383, 85860, 85920, 86994, 89040, 90153, 90216, 90720, 91584, 94870, 94976, 96660, 100170, 100240, 101493, 101760, 103032, 103104, 103680, 106848, 108864, 112770, 113844, 114480, 114560, 115992, 118720, 120204, 120288, 120960, 122112, 128790, 128880, 132818, 133560, 135324, 136080, 137376, 137472, 142305, 142464, 144990, 145152, 150255, 150360, 151792, 152640, 154656, 155520, 160272, 160384, 169155, 170766, 171720, 171840, 173988, 178080, 180306, 180432, 181440, 183168, 189740, 193320, 199227, 200340, 200480, 202986, 203520, 206064, 206208, 213696, 217485, 217728, 225540, 227688, 228960, 229120, 231984, 237440, 240408, 240576, 241920, 256149, 257580, 257760, 265636, 267120, 270648, 272160, 274752, 284610, 284928, 289980, 300510, 300720, 303584, 304479, 305280, 309312, 311040, 320544, 320768, 332045, 338310, 341532, 343440, 343680, 347976, 356160, 360612, 360864, 362880, 366336, 379480, 386640, 398454, 400680, 400960, 405972, 412128, 412416, 426915, 427392, 434970, 435456, 450765, 451080, 455376, 457920, 463968, 474880, 480816, 481152, 507465, 512298, 515160, 515520, 531272, 534240, 541296, 544320, 549504, 569220, 579960, 597681, 601020, 601440, 607168, 608958, 610560, 618624, 641088, 664090, 676620, 683064, 686880, 687360, 695952, 712320, 721224, 721728, 725760, 758960, 768447, 773280, 796908, 801360, 801920, 811944, 824256, 853830, 854784, 869940, 901530, 902160, 910752, 915840, 927936, 961632, 962304, 996135, 1014930, 1024596, 1030320, 1031040, 1062544, 1068480, 1082592, 1088640, 1099008, 1138440, 1159920, 1195362, 1202040, 1202880, 1214336, 1217916, 1237248, 1280745, 1282176, 1328180, 1353240, 1366128, 1373760, 1391904, 1424640, 1442448, 1443456, 1517920, 1522395, 1536894, 1546560, 1593816, 1602720, 1603840, 1623888, 1648512, 1707660, 1739880, 1793043, 1803060, 1804320, 1821504, 1831680, 1855872, 1923264, 1992270, 2029860, 2049192, 2060640, 2062080, 2125088, 2136960, 2165184, 2177280, 2276880, 2305341, 2319840, 2390724, 2404080, 2405760, 2428672, 2435832, 2561490, 2564352, 2656360, 2706480, 2732256, 2747520, 2783808, 2884896, 2886912, 2988405, 3035840, 3044790, 3073788, 3093120, 3187632, 3205440, 3247776, 3297024, 3415320, 3479760, 3586086, 3606120, 3608640, 3643008, 3711744, 3842235, 3846528, 3984540, 4059720, 4098384, 4121280, 4250176, 4273920, 4330368, 4553760, 4610682, 4639680, 4781448, 4808160, 4811520, 4871664, 5122980, 5312720, 5379129, 5412960, 5464512, 5495040, 5567616, 5769792, 5976810, 6071680, 6089580, 6147576, 6186240, 6375264, 6410880, 6495552, 6830640, 6959520, 7172172, 7212240, 7217280, 7286016, 7684470, 7693056, 7969080, 8119440, 8196768, 8242560, 8500352, 8660736, 8965215, 9107520, 9221364, 9279360, 9562896, 9616320, 9743328, 10245960, 10625440, 10758258, 10825920, 10929024, 11135232, 11526705, 11539584, 11953620, 12143360, 12179160, 12295152, 12750528, 12821760, 12991104, 13661280, 13919040, 14344344, 14424480, 14434560, 15368940, 15938160, 16137387, 16238880, 16393536, 16485120, 17000704, 17930430, 18215040, 18442728, 18558720, 19125792, 19232640, 19486656, 20491920, 21250880, 21516516, 21651840, 21858048, 23053410, 23079168, 23907240, 24358320, 24590304, 25501056, 25982208, 26895645, 27322560, 27838080, 28688688, 28848960, 30737880, 31876320, 32274774, 32477760, 32787072, 35860860, 36430080, 36885456, 38251584, 38465280, 38973312, 40983840, 42501760, 43033032, 43303680, 46106820, 47814480, 48716640, 49180608, 51002112, 53791290, 54645120, 55676160, 57377376, 57697920, 61475760, 63752640, 64549548, 64955520, 65574144, 71721720, 73770912, 76503168, 77946624, 80686935, 81967680, 85003520, 86066064, 92213640, 95628960, 97433280, 98361216, 107582580, 109290240, 114754752, 115395840, 122951520, 127505280, 129099096, 129911040, 143443440, 147541824, 153006336, 161373870, 163935360, 172132128, 184427280, 191257920, 194866560, 196722432, 215165160, 229509504, 245903040, 255010560, 258198192, 286886880, 295083648, 322747740, 327870720, 344264256, 368854560, 382515840, 389733120, 430330320, 459019008, 491806080, 516396384, 573773760, 590167296, 645495480, 688528512, 737709120, 765031680, 860660640, 983612160, 1032792768, 1147547520, 1290990960, 1377057024, 1475418240, 1721321280, 2065585536, 2295095040, 2581981920, 2950836480, 3442642560, 4131171072, 5163963840, 6885285120, 10327927680, 20655855360]

約数ペア:

[(1, 20655855360), (2, 10327927680), (3, 6885285120), (4, 5163963840), (5, 4131171072), (6, 3442642560), (7, 2950836480), (8, 2581981920), (9, 2295095040), (10, 2065585536), (12, 1721321280), (14, 1475418240), (15, 1377057024), (16, 1290990960), (18, 1147547520), (20, 1032792768), (21, 983612160), (24, 860660640), (27, 765031680), (28, 737709120), (30, 688528512), (32, 645495480), (35, 590167296), (36, 573773760), (40, 516396384), (42, 491806080), (45, 459019008), (48, 430330320), (53, 389733120), (54, 382515840), (56, 368854560), (60, 344264256), (63, 327870720), (64, 322747740), (70, 295083648), (72, 286886880), (80, 258198192), (81, 255010560), (84, 245903040), (90, 229509504), (96, 215165160), (105, 196722432), (106, 194866560), (108, 191257920), (112, 184427280), (120, 172132128), (126, 163935360), (128, 161373870), (135, 153006336), (140, 147541824), (144, 143443440), (159, 129911040), (160, 129099096), (162, 127505280), (168, 122951520), (179, 115395840), (180, 114754752), (189, 109290240), (192, 107582580), (210, 98361216), (212, 97433280), (216, 95628960), (224, 92213640), (240, 86066064), (243, 85003520), (252, 81967680), (256, 80686935), (265, 77946624), (270, 76503168), (280, 73770912), (288, 71721720), (315, 65574144), (318, 64955520), (320, 64549548), (324, 63752640), (336, 61475760), (358, 57697920), (360, 57377376), (371, 55676160), (378, 54645120), (384, 53791290), (405, 51002112), (420, 49180608), (424, 48716640), (432, 47814480), (448, 46106820), (477, 43303680), (480, 43033032), (486, 42501760), (504, 40983840), (530, 38973312), (537, 38465280), (540, 38251584), (560, 36885456), (567, 36430080), (576, 35860860), (630, 32787072), (636, 32477760), (640, 32274774), (648, 31876320), (672, 30737880), (716, 28848960), (720, 28688688), (742, 27838080), (756, 27322560), (768, 26895645), (795, 25982208), (810, 25501056), (840, 24590304), (848, 24358320), (864, 23907240), (895, 23079168), (896, 23053410), (945, 21858048), (954, 21651840), (960, 21516516), (972, 21250880), (1008, 20491920), (1060, 19486656), (1074, 19232640), (1080, 19125792), (1113, 18558720), (1120, 18442728), (1134, 18215040), (1152, 17930430), (1215, 17000704), (1253, 16485120), (1260, 16393536), (1272, 16238880), (1280, 16137387), (1296, 15938160), (1344, 15368940), (1431, 14434560), (1432, 14424480), (1440, 14344344), (1484, 13919040), (1512, 13661280), (1590, 12991104), (1611, 12821760), (1620, 12750528), (1680, 12295152), (1696, 12179160), (1701, 12143360), (1728, 11953620), (1790, 11539584), (1792, 11526705), (1855, 11135232), (1890, 10929024), (1908, 10825920), (1920, 10758258), (1944, 10625440), (2016, 10245960), (2120, 9743328), (2148, 9616320), (2160, 9562896), (2226, 9279360), (2240, 9221364), (2268, 9107520), (2304, 8965215), (2385, 8660736), (2430, 8500352), (2506, 8242560), (2520, 8196768), (2544, 8119440), (2592, 7969080), (2685, 7693056), (2688, 7684470), (2835, 7286016), (2862, 7217280), (2864, 7212240), (2880, 7172172), (2968, 6959520), (3024, 6830640), (3180, 6495552), (3222, 6410880), (3240, 6375264), (3339, 6186240), (3360, 6147576), (3392, 6089580), (3402, 6071680), (3456, 5976810), (3580, 5769792), (3710, 5567616), (3759, 5495040), (3780, 5464512), (3816, 5412960), (3840, 5379129), (3888, 5312720), (4032, 5122980), (4240, 4871664), (4293, 4811520), (4296, 4808160), (4320, 4781448), (4452, 4639680), (4480, 4610682), (4536, 4553760), (4770, 4330368), (4833, 4273920), (4860, 4250176), (5012, 4121280), (5040, 4098384), (5088, 4059720), (5184, 3984540), (5370, 3846528), (5376, 3842235), (5565, 3711744), (5670, 3643008), (5724, 3608640), (5728, 3606120), (5760, 3586086), (5936, 3479760), (6048, 3415320), (6265, 3297024), (6360, 3247776), (6444, 3205440), (6480, 3187632), (6678, 3093120), (6720, 3073788), (6784, 3044790), (6804, 3035840), (6912, 2988405), (7155, 2886912), (7160, 2884896), (7420, 2783808), (7518, 2747520), (7560, 2732256), (7632, 2706480), (7776, 2656360), (8055, 2564352), (8064, 2561490), (8480, 2435832), (8505, 2428672), (8586, 2405760), (8592, 2404080), (8640, 2390724), (8904, 2319840), (8960, 2305341), (9072, 2276880), (9487, 2177280), (9540, 2165184), (9666, 2136960), (9720, 2125088), (10017, 2062080), (10024, 2060640), (10080, 2049192), (10176, 2029860), (10368, 1992270), (10740, 1923264), (11130, 1855872), (11277, 1831680), (11340, 1821504), (11448, 1804320), (11456, 1803060), (11520, 1793043), (11872, 1739880), (12096, 1707660), (12530, 1648512), (12720, 1623888), (12879, 1603840), (12888, 1602720), (12960, 1593816), (13356, 1546560), (13440, 1536894), (13568, 1522395), (13608, 1517920), (14310, 1443456), (14320, 1442448), (14499, 1424640), (14840, 1391904), (15036, 1373760), (15120, 1366128), (15264, 1353240), (15552, 1328180), (16110, 1282176), (16128, 1280745), (16695, 1237248), (16960, 1217916), (17010, 1214336), (17172, 1202880), (17184, 1202040), (17280, 1195362), (17808, 1159920), (18144, 1138440), (18795, 1099008), (18974, 1088640), (19080, 1082592), (19332, 1068480), (19440, 1062544), (20034, 1031040), (20048, 1030320), (20160, 1024596), (20352, 1014930), (20736, 996135), (21465, 962304), (21480, 961632), (22260, 927936), (22554, 915840), (22680, 910752), (22896, 902160), (22912, 901530), (23744, 869940), (24165, 854784), (24192, 853830), (25060, 824256), (25440, 811944), (25758, 801920), (25776, 801360), (25920, 796908), (26712, 773280), (26880, 768447), (27216, 758960), (28461, 725760), (28620, 721728), (28640, 721224), (28998, 712320), (29680, 695952), (30051, 687360), (30072, 686880), (30240, 683064), (30528, 676620), (31104, 664090), (32220, 641088), (33390, 618624), (33831, 610560), (33920, 608958), (34020, 607168), (34344, 601440), (34368, 601020), (34560, 597681), (35616, 579960), (36288, 569220), (37590, 549504), (37948, 544320), (38160, 541296), (38664, 534240), (38880, 531272), (40068, 515520), (40096, 515160), (40320, 512298), (40704, 507465), (42930, 481152), (42960, 480816), (43497, 474880), (44520, 463968), (45108, 457920), (45360, 455376), (45792, 451080), (45824, 450765), (47435, 435456), (47488, 434970), (48330, 427392), (48384, 426915), (50085, 412416), (50120, 412128), (50880, 405972), (51516, 400960), (51552, 400680), (51840, 398454), (53424, 386640), (54432, 379480), (56385, 366336), (56922, 362880), (57240, 360864), (57280, 360612), (57996, 356160), (59360, 347976), (60102, 343680), (60144, 343440), (60480, 341532), (61056, 338310), (62208, 332045), (64395, 320768), (64440, 320544), (66409, 311040), (66780, 309312), (67662, 305280), (67840, 304479), (68040, 303584), (68688, 300720), (68736, 300510), (71232, 289980), (72495, 284928), (72576, 284610), (75180, 274752), (75896, 272160), (76320, 270648), (77328, 267120), (77760, 265636), (80136, 257760), (80192, 257580), (80640, 256149), (85383, 241920), (85860, 240576), (85920, 240408), (86994, 237440), (89040, 231984), (90153, 229120), (90216, 228960), (90720, 227688), (91584, 225540), (94870, 217728), (94976, 217485), (96660, 213696), (100170, 206208), (100240, 206064), (101493, 203520), (101760, 202986), (103032, 200480), (103104, 200340), (103680, 199227), (106848, 193320), (108864, 189740), (112770, 183168), (113844, 181440), (114480, 180432), (114560, 180306), (115992, 178080), (118720, 173988), (120204, 171840), (120288, 171720), (120960, 170766), (122112, 169155), (128790, 160384), (128880, 160272), (132818, 155520), (133560, 154656), (135324, 152640), (136080, 151792), (137376, 150360), (137472, 150255), (142305, 145152), (142464, 144990)]