21180579840

素因数分解:

$2^{17}\times 3^5\times 5^1\times 7^1\times {\mathrm{19}}^1$

素因数の和:80

約数の個数: 864

約数和(自身を含む): 91603249920

約数和(自身を除く): 70422670080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 27, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 54, 56, 57, 60, 63, 64, 70, 72, 76, 80, 81, 84, 90, 95, 96, 105, 108, 112, 114, 120, 126, 128, 133, 135, 140, 144, 152, 160, 162, 168, 171, 180, 189, 190, 192, 210, 216, 224, 228, 240, 243, 252, 256, 266, 270, 280, 285, 288, 304, 315, 320, 324, 336, 342, 360, 378, 380, 384, 399, 405, 420, 432, 448, 456, 480, 486, 504, 512, 513, 532, 540, 560, 567, 570, 576, 608, 630, 640, 648, 665, 672, 684, 720, 756, 760, 768, 798, 810, 840, 855, 864, 896, 912, 945, 960, 972, 1008, 1024, 1026, 1064, 1080, 1120, 1134, 1140, 1152, 1197, 1215, 1216, 1260, 1280, 1296, 1330, 1344, 1368, 1440, 1512, 1520, 1536, 1539, 1596, 1620, 1680, 1701, 1710, 1728, 1792, 1824, 1890, 1920, 1944, 1995, 2016, 2048, 2052, 2128, 2160, 2240, 2268, 2280, 2304, 2394, 2430, 2432, 2520, 2560, 2565, 2592, 2660, 2688, 2736, 2835, 2880, 3024, 3040, 3072, 3078, 3192, 3240, 3360, 3402, 3420, 3456, 3584, 3591, 3648, 3780, 3840, 3888, 3990, 4032, 4096, 4104, 4256, 4320, 4480, 4536, 4560, 4608, 4617, 4788, 4860, 4864, 5040, 5120, 5130, 5184, 5320, 5376, 5472, 5670, 5760, 5985, 6048, 6080, 6144, 6156, 6384, 6480, 6720, 6804, 6840, 6912, 7168, 7182, 7296, 7560, 7680, 7695, 7776, 7980, 8064, 8192, 8208, 8505, 8512, 8640, 8960, 9072, 9120, 9216, 9234, 9576, 9720, 9728, 10080, 10240, 10260, 10368, 10640, 10752, 10773, 10944, 11340, 11520, 11970, 12096, 12160, 12288, 12312, 12768, 12960, 13440, 13608, 13680, 13824, 14336, 14364, 14592, 15120, 15360, 15390, 15552, 15960, 16128, 16384, 16416, 17010, 17024, 17280, 17920, 17955, 18144, 18240, 18432, 18468, 19152, 19440, 19456, 20160, 20480, 20520, 20736, 21280, 21504, 21546, 21888, 22680, 23040, 23085, 23940, 24192, 24320, 24576, 24624, 25536, 25920, 26880, 27216, 27360, 27648, 28672, 28728, 29184, 30240, 30720, 30780, 31104, 31920, 32256, 32319, 32768, 32832, 34020, 34048, 34560, 35840, 35910, 36288, 36480, 36864, 36936, 38304, 38880, 38912, 40320, 40960, 41040, 41472, 42560, 43008, 43092, 43776, 45360, 46080, 46170, 47880, 48384, 48640, 49152, 49248, 51072, 51840, 53760, 53865, 54432, 54720, 55296, 57344, 57456, 58368, 60480, 61440, 61560, 62208, 63840, 64512, 64638, 65536, 65664, 68040, 68096, 69120, 71680, 71820, 72576, 72960, 73728, 73872, 76608, 77760, 77824, 80640, 81920, 82080, 82944, 85120, 86016, 86184, 87552, 90720, 92160, 92340, 95760, 96768, 97280, 98304, 98496, 102144, 103680, 107520, 107730, 108864, 109440, 110592, 114688, 114912, 116736, 120960, 122880, 123120, 124416, 127680, 129024, 129276, 131072, 131328, 136080, 136192, 138240, 143360, 143640, 145152, 145920, 147456, 147744, 153216, 155520, 155648, 161280, 161595, 163840, 164160, 165888, 170240, 172032, 172368, 175104, 181440, 184320, 184680, 191520, 193536, 194560, 196608, 196992, 204288, 207360, 215040, 215460, 217728, 218880, 221184, 229376, 229824, 233472, 241920, 245760, 246240, 248832, 255360, 258048, 258552, 262656, 272160, 272384, 276480, 286720, 287280, 290304, 291840, 294912, 295488, 306432, 311040, 311296, 322560, 323190, 327680, 328320, 331776, 340480, 344064, 344736, 350208, 362880, 368640, 369360, 383040, 387072, 389120, 393216, 393984, 408576, 414720, 430080, 430920, 435456, 437760, 442368, 458752, 459648, 466944, 483840, 491520, 492480, 497664, 510720, 516096, 517104, 525312, 544320, 544768, 552960, 573440, 574560, 580608, 583680, 589824, 590976, 612864, 622080, 622592, 645120, 646380, 655360, 656640, 663552, 680960, 688128, 689472, 700416, 725760, 737280, 738720, 766080, 774144, 778240, 787968, 817152, 829440, 860160, 861840, 870912, 875520, 884736, 917504, 919296, 933888, 967680, 983040, 984960, 995328, 1021440, 1032192, 1034208, 1050624, 1088640, 1089536, 1105920, 1146880, 1149120, 1161216, 1167360, 1179648, 1181952, 1225728, 1244160, 1245184, 1290240, 1292760, 1313280, 1327104, 1361920, 1376256, 1378944, 1400832, 1451520, 1474560, 1477440, 1532160, 1548288, 1556480, 1575936, 1634304, 1658880, 1720320, 1723680, 1741824, 1751040, 1769472, 1838592, 1867776, 1935360, 1966080, 1969920, 1990656, 2042880, 2064384, 2068416, 2101248, 2177280, 2179072, 2211840, 2293760, 2298240, 2322432, 2334720, 2363904, 2451456, 2488320, 2490368, 2580480, 2585520, 2626560, 2654208, 2723840, 2752512, 2757888, 2801664, 2903040, 2949120, 2954880, 3064320, 3096576, 3112960, 3151872, 3268608, 3317760, 3440640, 3447360, 3483648, 3502080, 3538944, 3677184, 3735552, 3870720, 3939840, 3981312, 4085760, 4128768, 4136832, 4202496, 4354560, 4358144, 4423680, 4587520, 4596480, 4644864, 4669440, 4727808, 4902912, 4976640, 5160960, 5171040, 5253120, 5308416, 5447680, 5515776, 5603328, 5806080, 5898240, 5909760, 6128640, 6193152, 6225920, 6303744, 6537216, 6635520, 6881280, 6894720, 6967296, 7004160, 7354368, 7471104, 7741440, 7879680, 7962624, 8171520, 8257536, 8273664, 8404992, 8709120, 8716288, 8847360, 9192960, 9289728, 9338880, 9455616, 9805824, 9953280, 10321920, 10342080, 10506240, 10616832, 10895360, 11031552, 11206656, 11612160, 11819520, 12257280, 12386304, 12451840, 12607488, 13074432, 13271040, 13762560, 13789440, 13934592, 14008320, 14708736, 15482880, 15759360, 15925248, 16343040, 16547328, 16809984, 17418240, 17432576, 17694720, 18385920, 18579456, 18677760, 18911232, 19611648, 19906560, 20643840, 20684160, 21012480, 21790720, 22063104, 22413312, 23224320, 23639040, 24514560, 24772608, 25214976, 26148864, 26542080, 27578880, 27869184, 28016640, 29417472, 30965760, 31518720, 31850496, 32686080, 33094656, 33619968, 34836480, 36771840, 37158912, 37355520, 37822464, 39223296, 39813120, 41287680, 41368320, 42024960, 43581440, 44126208, 46448640, 47278080, 49029120, 50429952, 52297728, 53084160, 55157760, 55738368, 56033280, 58834944, 61931520, 63037440, 65372160, 66189312, 67239936, 69672960, 73543680, 74317824, 75644928, 78446592, 79626240, 82736640, 84049920, 87162880, 88252416, 92897280, 94556160, 98058240, 100859904, 110315520, 111476736, 112066560, 117669888, 123863040, 126074880, 130744320, 132378624, 139345920, 147087360, 151289856, 156893184, 159252480, 165473280, 168099840, 176504832, 185794560, 189112320, 196116480, 201719808, 220631040, 222953472, 235339776, 252149760, 261488640, 264757248, 278691840, 294174720, 302579712, 330946560, 336199680, 353009664, 371589120, 378224640, 392232960, 441262080, 470679552, 504299520, 529514496, 557383680, 588349440, 605159424, 661893120, 706019328, 756449280, 784465920, 882524160, 1008599040, 1059028992, 1114767360, 1176698880, 1323786240, 1412038656, 1512898560, 1765048320, 2118057984, 2353397760, 2647572480, 3025797120, 3530096640, 4236115968, 5295144960, 7060193280, 10590289920, 21180579840]

約数ペア:

[(1, 21180579840), (2, 10590289920), (3, 7060193280), (4, 5295144960), (5, 4236115968), (6, 3530096640), (7, 3025797120), (8, 2647572480), (9, 2353397760), (10, 2118057984), (12, 1765048320), (14, 1512898560), (15, 1412038656), (16, 1323786240), (18, 1176698880), (19, 1114767360), (20, 1059028992), (21, 1008599040), (24, 882524160), (27, 784465920), (28, 756449280), (30, 706019328), (32, 661893120), (35, 605159424), (36, 588349440), (38, 557383680), (40, 529514496), (42, 504299520), (45, 470679552), (48, 441262080), (54, 392232960), (56, 378224640), (57, 371589120), (60, 353009664), (63, 336199680), (64, 330946560), (70, 302579712), (72, 294174720), (76, 278691840), (80, 264757248), (81, 261488640), (84, 252149760), (90, 235339776), (95, 222953472), (96, 220631040), (105, 201719808), (108, 196116480), (112, 189112320), (114, 185794560), (120, 176504832), (126, 168099840), (128, 165473280), (133, 159252480), (135, 156893184), (140, 151289856), (144, 147087360), (152, 139345920), (160, 132378624), (162, 130744320), (168, 126074880), (171, 123863040), (180, 117669888), (189, 112066560), (190, 111476736), (192, 110315520), (210, 100859904), (216, 98058240), (224, 94556160), (228, 92897280), (240, 88252416), (243, 87162880), (252, 84049920), (256, 82736640), (266, 79626240), (270, 78446592), (280, 75644928), (285, 74317824), (288, 73543680), (304, 69672960), (315, 67239936), (320, 66189312), (324, 65372160), (336, 63037440), (342, 61931520), (360, 58834944), (378, 56033280), (380, 55738368), (384, 55157760), (399, 53084160), (405, 52297728), (420, 50429952), (432, 49029120), (448, 47278080), (456, 46448640), (480, 44126208), (486, 43581440), (504, 42024960), (512, 41368320), (513, 41287680), (532, 39813120), (540, 39223296), (560, 37822464), (567, 37355520), (570, 37158912), (576, 36771840), (608, 34836480), (630, 33619968), (640, 33094656), (648, 32686080), (665, 31850496), (672, 31518720), (684, 30965760), (720, 29417472), (756, 28016640), (760, 27869184), (768, 27578880), (798, 26542080), (810, 26148864), (840, 25214976), (855, 24772608), (864, 24514560), (896, 23639040), (912, 23224320), (945, 22413312), (960, 22063104), (972, 21790720), (1008, 21012480), (1024, 20684160), (1026, 20643840), (1064, 19906560), (1080, 19611648), (1120, 18911232), (1134, 18677760), (1140, 18579456), (1152, 18385920), (1197, 17694720), (1215, 17432576), (1216, 17418240), (1260, 16809984), (1280, 16547328), (1296, 16343040), (1330, 15925248), (1344, 15759360), (1368, 15482880), (1440, 14708736), (1512, 14008320), (1520, 13934592), (1536, 13789440), (1539, 13762560), (1596, 13271040), (1620, 13074432), (1680, 12607488), (1701, 12451840), (1710, 12386304), (1728, 12257280), (1792, 11819520), (1824, 11612160), (1890, 11206656), (1920, 11031552), (1944, 10895360), (1995, 10616832), (2016, 10506240), (2048, 10342080), (2052, 10321920), (2128, 9953280), (2160, 9805824), (2240, 9455616), (2268, 9338880), (2280, 9289728), (2304, 9192960), (2394, 8847360), (2430, 8716288), (2432, 8709120), (2520, 8404992), (2560, 8273664), (2565, 8257536), (2592, 8171520), (2660, 7962624), (2688, 7879680), (2736, 7741440), (2835, 7471104), (2880, 7354368), (3024, 7004160), (3040, 6967296), (3072, 6894720), (3078, 6881280), (3192, 6635520), (3240, 6537216), (3360, 6303744), (3402, 6225920), (3420, 6193152), (3456, 6128640), (3584, 5909760), (3591, 5898240), (3648, 5806080), (3780, 5603328), (3840, 5515776), (3888, 5447680), (3990, 5308416), (4032, 5253120), (4096, 5171040), (4104, 5160960), (4256, 4976640), (4320, 4902912), (4480, 4727808), (4536, 4669440), (4560, 4644864), (4608, 4596480), (4617, 4587520), (4788, 4423680), (4860, 4358144), (4864, 4354560), (5040, 4202496), (5120, 4136832), (5130, 4128768), (5184, 4085760), (5320, 3981312), (5376, 3939840), (5472, 3870720), (5670, 3735552), (5760, 3677184), (5985, 3538944), (6048, 3502080), (6080, 3483648), (6144, 3447360), (6156, 3440640), (6384, 3317760), (6480, 3268608), (6720, 3151872), (6804, 3112960), (6840, 3096576), (6912, 3064320), (7168, 2954880), (7182, 2949120), (7296, 2903040), (7560, 2801664), (7680, 2757888), (7695, 2752512), (7776, 2723840), (7980, 2654208), (8064, 2626560), (8192, 2585520), (8208, 2580480), (8505, 2490368), (8512, 2488320), (8640, 2451456), (8960, 2363904), (9072, 2334720), (9120, 2322432), (9216, 2298240), (9234, 2293760), (9576, 2211840), (9720, 2179072), (9728, 2177280), (10080, 2101248), (10240, 2068416), (10260, 2064384), (10368, 2042880), (10640, 1990656), (10752, 1969920), (10773, 1966080), (10944, 1935360), (11340, 1867776), (11520, 1838592), (11970, 1769472), (12096, 1751040), (12160, 1741824), (12288, 1723680), (12312, 1720320), (12768, 1658880), (12960, 1634304), (13440, 1575936), (13608, 1556480), (13680, 1548288), (13824, 1532160), (14336, 1477440), (14364, 1474560), (14592, 1451520), (15120, 1400832), (15360, 1378944), (15390, 1376256), (15552, 1361920), (15960, 1327104), (16128, 1313280), (16384, 1292760), (16416, 1290240), (17010, 1245184), (17024, 1244160), (17280, 1225728), (17920, 1181952), (17955, 1179648), (18144, 1167360), (18240, 1161216), (18432, 1149120), (18468, 1146880), (19152, 1105920), (19440, 1089536), (19456, 1088640), (20160, 1050624), (20480, 1034208), (20520, 1032192), (20736, 1021440), (21280, 995328), (21504, 984960), (21546, 983040), (21888, 967680), (22680, 933888), (23040, 919296), (23085, 917504), (23940, 884736), (24192, 875520), (24320, 870912), (24576, 861840), (24624, 860160), (25536, 829440), (25920, 817152), (26880, 787968), (27216, 778240), (27360, 774144), (27648, 766080), (28672, 738720), (28728, 737280), (29184, 725760), (30240, 700416), (30720, 689472), (30780, 688128), (31104, 680960), (31920, 663552), (32256, 656640), (32319, 655360), (32768, 646380), (32832, 645120), (34020, 622592), (34048, 622080), (34560, 612864), (35840, 590976), (35910, 589824), (36288, 583680), (36480, 580608), (36864, 574560), (36936, 573440), (38304, 552960), (38880, 544768), (38912, 544320), (40320, 525312), (40960, 517104), (41040, 516096), (41472, 510720), (42560, 497664), (43008, 492480), (43092, 491520), (43776, 483840), (45360, 466944), (46080, 459648), (46170, 458752), (47880, 442368), (48384, 437760), (48640, 435456), (49152, 430920), (49248, 430080), (51072, 414720), (51840, 408576), (53760, 393984), (53865, 393216), (54432, 389120), (54720, 387072), (55296, 383040), (57344, 369360), (57456, 368640), (58368, 362880), (60480, 350208), (61440, 344736), (61560, 344064), (62208, 340480), (63840, 331776), (64512, 328320), (64638, 327680), (65536, 323190), (65664, 322560), (68040, 311296), (68096, 311040), (69120, 306432), (71680, 295488), (71820, 294912), (72576, 291840), (72960, 290304), (73728, 287280), (73872, 286720), (76608, 276480), (77760, 272384), (77824, 272160), (80640, 262656), (81920, 258552), (82080, 258048), (82944, 255360), (85120, 248832), (86016, 246240), (86184, 245760), (87552, 241920), (90720, 233472), (92160, 229824), (92340, 229376), (95760, 221184), (96768, 218880), (97280, 217728), (98304, 215460), (98496, 215040), (102144, 207360), (103680, 204288), (107520, 196992), (107730, 196608), (108864, 194560), (109440, 193536), (110592, 191520), (114688, 184680), (114912, 184320), (116736, 181440), (120960, 175104), (122880, 172368), (123120, 172032), (124416, 170240), (127680, 165888), (129024, 164160), (129276, 163840), (131072, 161595), (131328, 161280), (136080, 155648), (136192, 155520), (138240, 153216), (143360, 147744), (143640, 147456), (145152, 145920)]