19811589120

素因数分解:

$2^{10}\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:158

約数の個数: 880

約数和(自身を含む): 77611235328

約数和(自身を除く): 57799646208

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 31, 32, 36, 40, 45, 46, 48, 54, 60, 62, 64, 67, 69, 72, 80, 81, 90, 92, 93, 96, 108, 115, 120, 124, 128, 134, 135, 138, 144, 155, 160, 162, 180, 184, 186, 192, 201, 207, 216, 230, 240, 248, 256, 268, 270, 276, 279, 288, 310, 320, 324, 335, 345, 360, 368, 372, 384, 402, 405, 414, 432, 460, 465, 480, 496, 512, 536, 540, 552, 558, 576, 603, 620, 621, 640, 648, 670, 690, 713, 720, 736, 744, 768, 804, 810, 828, 837, 864, 920, 930, 960, 992, 1005, 1024, 1035, 1072, 1080, 1104, 1116, 1152, 1206, 1240, 1242, 1280, 1296, 1340, 1380, 1395, 1426, 1440, 1472, 1488, 1536, 1541, 1608, 1620, 1656, 1674, 1728, 1809, 1840, 1860, 1863, 1920, 1984, 2010, 2070, 2077, 2139, 2144, 2160, 2208, 2232, 2304, 2412, 2480, 2484, 2511, 2560, 2592, 2680, 2760, 2790, 2852, 2880, 2944, 2976, 3015, 3072, 3082, 3105, 3216, 3240, 3312, 3348, 3456, 3565, 3618, 3680, 3720, 3726, 3840, 3968, 4020, 4140, 4154, 4185, 4278, 4288, 4320, 4416, 4464, 4608, 4623, 4824, 4960, 4968, 5022, 5120, 5184, 5360, 5427, 5520, 5580, 5704, 5760, 5888, 5952, 6030, 6164, 6210, 6231, 6417, 6432, 6480, 6624, 6696, 6912, 7130, 7236, 7360, 7440, 7452, 7680, 7705, 7936, 8040, 8280, 8308, 8370, 8556, 8576, 8640, 8832, 8928, 9045, 9216, 9246, 9315, 9648, 9920, 9936, 10044, 10368, 10385, 10695, 10720, 10854, 11040, 11160, 11408, 11520, 11776, 11904, 12060, 12328, 12420, 12462, 12555, 12834, 12864, 12960, 13248, 13392, 13824, 13869, 14260, 14472, 14720, 14880, 14904, 15360, 15410, 15872, 16080, 16560, 16616, 16740, 17112, 17152, 17280, 17664, 17856, 18090, 18492, 18630, 18693, 19251, 19296, 19840, 19872, 20088, 20736, 20770, 21390, 21440, 21708, 22080, 22320, 22816, 23040, 23115, 23552, 23808, 24120, 24656, 24840, 24924, 25110, 25668, 25728, 25920, 26496, 26784, 27135, 27648, 27738, 28520, 28944, 29440, 29760, 29808, 30820, 31155, 31744, 32085, 32160, 33120, 33232, 33480, 34224, 34304, 34560, 35328, 35712, 36180, 36984, 37260, 37386, 38502, 38592, 39680, 39744, 40176, 41472, 41540, 41607, 42780, 42880, 43416, 44160, 44640, 45632, 46080, 46230, 47616, 47771, 48240, 49312, 49680, 49848, 50220, 51336, 51456, 51840, 52992, 53568, 54270, 55476, 56079, 57040, 57753, 57888, 58880, 59520, 59616, 61640, 62310, 64170, 64320, 66240, 66464, 66960, 68448, 68608, 69120, 69345, 70656, 71424, 72360, 73968, 74520, 74772, 77004, 77184, 79360, 79488, 80352, 82944, 83080, 83214, 85560, 85760, 86832, 88320, 89280, 91264, 92460, 93465, 95232, 95542, 96255, 96480, 98624, 99360, 99696, 100440, 102672, 102912, 103680, 105984, 107136, 108540, 110952, 112158, 114080, 115506, 115776, 117760, 119040, 119232, 123280, 124620, 124821, 128340, 128640, 132480, 132928, 133920, 136896, 138240, 138690, 142848, 143313, 144720, 147936, 149040, 149544, 154008, 154368, 158720, 158976, 160704, 166160, 166428, 168237, 171120, 171520, 173664, 176640, 178560, 182528, 184920, 186930, 191084, 192510, 192960, 197248, 198720, 199392, 200880, 205344, 205824, 207360, 208035, 211968, 214272, 217080, 221904, 224316, 228160, 231012, 231552, 238080, 238464, 238855, 246560, 249240, 249642, 256680, 257280, 264960, 265856, 267840, 273792, 277380, 280395, 285696, 286626, 288765, 289440, 295872, 298080, 299088, 308016, 308736, 317952, 321408, 332320, 332856, 336474, 342240, 343040, 347328, 353280, 357120, 365056, 369840, 373860, 382168, 385020, 385920, 394496, 397440, 398784, 401760, 410688, 414720, 416070, 428544, 429939, 434160, 443808, 448632, 456320, 462024, 463104, 476160, 476928, 477710, 493120, 498480, 499284, 513360, 514560, 529920, 531712, 535680, 547584, 554760, 560790, 573252, 577530, 578880, 591744, 596160, 598176, 616032, 617472, 624105, 635904, 642816, 664640, 665712, 672948, 684480, 694656, 714240, 716565, 730112, 739680, 747720, 764336, 770040, 771840, 788992, 794880, 797568, 803520, 821376, 832140, 841185, 857088, 859878, 868320, 887616, 897264, 912640, 924048, 926208, 953856, 955420, 986240, 996960, 998568, 1026720, 1029120, 1059840, 1063424, 1071360, 1095168, 1109520, 1121580, 1146504, 1155060, 1157760, 1183488, 1192320, 1196352, 1232064, 1248210, 1285632, 1289817, 1329280, 1331424, 1345896, 1368960, 1389312, 1428480, 1433130, 1479360, 1495440, 1528672, 1540080, 1543680, 1577984, 1589760, 1595136, 1607040, 1642752, 1664280, 1682370, 1719756, 1736640, 1775232, 1794528, 1825280, 1848096, 1852416, 1907712, 1910840, 1972480, 1993920, 1997136, 2053440, 2126848, 2142720, 2149695, 2190336, 2219040, 2243160, 2293008, 2310120, 2315520, 2366976, 2384640, 2392704, 2464128, 2496420, 2571264, 2579634, 2658560, 2662848, 2691792, 2737920, 2778624, 2866260, 2958720, 2990880, 3057344, 3080160, 3087360, 3179520, 3190272, 3214080, 3285504, 3328560, 3364740, 3439512, 3473280, 3550464, 3589056, 3650560, 3696192, 3821680, 3869451, 3944960, 3987840, 3994272, 4106880, 4285440, 4299390, 4438080, 4486320, 4586016, 4620240, 4631040, 4733952, 4769280, 4785408, 4928256, 4992840, 5159268, 5317120, 5325696, 5383584, 5475840, 5557248, 5732520, 5917440, 5981760, 6114688, 6160320, 6380544, 6428160, 6449085, 6571008, 6657120, 6729480, 6879024, 6946560, 7100928, 7178112, 7392384, 7643360, 7738902, 7889920, 7975680, 7988544, 8213760, 8598780, 8876160, 8972640, 9172032, 9240480, 9262080, 9538560, 9570816, 9856512, 9985680, 10318536, 10634240, 10651392, 10767168, 10951680, 11465040, 11834880, 11963520, 12229376, 12320640, 12856320, 12898170, 13314240, 13458960, 13758048, 13893120, 14201856, 14356224, 14784768, 15286720, 15477804, 15951360, 15977088, 16427520, 17197560, 17752320, 17945280, 18344064, 18480960, 19141632, 19347255, 19713024, 19971360, 20637072, 21302784, 21534336, 22930080, 23669760, 23927040, 24458752, 24641280, 25796340, 26628480, 26917920, 27516096, 27786240, 28712448, 29569536, 30573440, 30955608, 31902720, 31954176, 32855040, 34395120, 35504640, 35890560, 36688128, 36961920, 38694510, 39942720, 41274144, 42605568, 43068672, 45860160, 47854080, 48917504, 49282560, 51592680, 53256960, 53835840, 55032192, 57424896, 59139072, 61146880, 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約数ペア:

[(1, 19811589120), (2, 9905794560), (3, 6603863040), (4, 4952897280), (5, 3962317824), (6, 3301931520), (8, 2476448640), (9, 2201287680), (10, 1981158912), (12, 1650965760), (15, 1320772608), (16, 1238224320), (18, 1100643840), (20, 990579456), (23, 861373440), (24, 825482880), (27, 733762560), (30, 660386304), (31, 639083520), (32, 619112160), (36, 550321920), (40, 495289728), (45, 440257536), (46, 430686720), (48, 412741440), (54, 366881280), (60, 330193152), (62, 319541760), (64, 309556080), (67, 295695360), (69, 287124480), (72, 275160960), (80, 247644864), (81, 244587520), (90, 220128768), (92, 215343360), (93, 213027840), (96, 206370720), (108, 183440640), (115, 172274688), (120, 165096576), (124, 159770880), (128, 154778040), (134, 147847680), (135, 146752512), (138, 143562240), (144, 137580480), (155, 127816704), (160, 123822432), (162, 122293760), (180, 110064384), (184, 107671680), (186, 106513920), (192, 103185360), (201, 98565120), (207, 95708160), (216, 91720320), (230, 86137344), (240, 82548288), (248, 79885440), (256, 77389020), (268, 73923840), (270, 73376256), (276, 71781120), (279, 71009280), (288, 68790240), (310, 63908352), (320, 61911216), (324, 61146880), (335, 59139072), (345, 57424896), (360, 55032192), (368, 53835840), (372, 53256960), (384, 51592680), (402, 49282560), (405, 48917504), (414, 47854080), (432, 45860160), (460, 43068672), (465, 42605568), (480, 41274144), (496, 39942720), (512, 38694510), (536, 36961920), (540, 36688128), (552, 35890560), (558, 35504640), (576, 34395120), (603, 32855040), (620, 31954176), (621, 31902720), (640, 30955608), (648, 30573440), (670, 29569536), (690, 28712448), (713, 27786240), (720, 27516096), (736, 26917920), (744, 26628480), (768, 25796340), (804, 24641280), (810, 24458752), (828, 23927040), (837, 23669760), (864, 22930080), (920, 21534336), (930, 21302784), (960, 20637072), (992, 19971360), (1005, 19713024), (1024, 19347255), (1035, 19141632), (1072, 18480960), (1080, 18344064), (1104, 17945280), (1116, 17752320), (1152, 17197560), (1206, 16427520), (1240, 15977088), (1242, 15951360), (1280, 15477804), (1296, 15286720), (1340, 14784768), (1380, 14356224), (1395, 14201856), (1426, 13893120), (1440, 13758048), (1472, 13458960), (1488, 13314240), (1536, 12898170), (1541, 12856320), (1608, 12320640), (1620, 12229376), (1656, 11963520), (1674, 11834880), (1728, 11465040), (1809, 10951680), (1840, 10767168), (1860, 10651392), (1863, 10634240), (1920, 10318536), (1984, 9985680), (2010, 9856512), (2070, 9570816), (2077, 9538560), (2139, 9262080), (2144, 9240480), (2160, 9172032), (2208, 8972640), (2232, 8876160), (2304, 8598780), (2412, 8213760), (2480, 7988544), (2484, 7975680), (2511, 7889920), (2560, 7738902), (2592, 7643360), (2680, 7392384), (2760, 7178112), (2790, 7100928), (2852, 6946560), (2880, 6879024), (2944, 6729480), (2976, 6657120), (3015, 6571008), (3072, 6449085), (3082, 6428160), (3105, 6380544), (3216, 6160320), (3240, 6114688), (3312, 5981760), (3348, 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(8832, 2243160), (8928, 2219040), (9045, 2190336), (9216, 2149695), (9246, 2142720), (9315, 2126848), (9648, 2053440), (9920, 1997136), (9936, 1993920), (10044, 1972480), (10368, 1910840), (10385, 1907712), (10695, 1852416), (10720, 1848096), (10854, 1825280), (11040, 1794528), (11160, 1775232), (11408, 1736640), (11520, 1719756), (11776, 1682370), (11904, 1664280), (12060, 1642752), (12328, 1607040), (12420, 1595136), (12462, 1589760), (12555, 1577984), (12834, 1543680), (12864, 1540080), (12960, 1528672), (13248, 1495440), (13392, 1479360), (13824, 1433130), (13869, 1428480), (14260, 1389312), (14472, 1368960), (14720, 1345896), (14880, 1331424), (14904, 1329280), (15360, 1289817), (15410, 1285632), (15872, 1248210), (16080, 1232064), (16560, 1196352), (16616, 1192320), (16740, 1183488), (17112, 1157760), (17152, 1155060), (17280, 1146504), (17664, 1121580), (17856, 1109520), (18090, 1095168), (18492, 1071360), (18630, 1063424), (18693, 1059840), (19251, 1029120), (19296, 1026720), (19840, 998568), (19872, 996960), (20088, 986240), (20736, 955420), (20770, 953856), (21390, 926208), (21440, 924048), (21708, 912640), (22080, 897264), (22320, 887616), (22816, 868320), (23040, 859878), (23115, 857088), (23552, 841185), (23808, 832140), (24120, 821376), (24656, 803520), (24840, 797568), (24924, 794880), (25110, 788992), (25668, 771840), (25728, 770040), (25920, 764336), (26496, 747720), (26784, 739680), (27135, 730112), (27648, 716565), (27738, 714240), (28520, 694656), (28944, 684480), (29440, 672948), (29760, 665712), (29808, 664640), (30820, 642816), (31155, 635904), (31744, 624105), (32085, 617472), (32160, 616032), (33120, 598176), (33232, 596160), (33480, 591744), (34224, 578880), (34304, 577530), (34560, 573252), (35328, 560790), (35712, 554760), (36180, 547584), (36984, 535680), (37260, 531712), (37386, 529920), (38502, 514560), (38592, 513360), (39680, 499284), (39744, 498480), (40176, 493120), (41472, 477710), (41540, 476928), (41607, 476160), (42780, 463104), (42880, 462024), (43416, 456320), (44160, 448632), (44640, 443808), (45632, 434160), (46080, 429939), (46230, 428544), (47616, 416070), (47771, 414720), (48240, 410688), (49312, 401760), (49680, 398784), (49848, 397440), (50220, 394496), (51336, 385920), (51456, 385020), (51840, 382168), (52992, 373860), (53568, 369840), (54270, 365056), (55476, 357120), (56079, 353280), (57040, 347328), (57753, 343040), (57888, 342240), (58880, 336474), (59520, 332856), (59616, 332320), (61640, 321408), (62310, 317952), (64170, 308736), (64320, 308016), (66240, 299088), (66464, 298080), (66960, 295872), (68448, 289440), (68608, 288765), (69120, 286626), (69345, 285696), (70656, 280395), (71424, 277380), (72360, 273792), (73968, 267840), (74520, 265856), (74772, 264960), (77004, 257280), (77184, 256680), (79360, 249642), (79488, 249240), (80352, 246560), (82944, 238855), (83080, 238464), (83214, 238080), (85560, 231552), (85760, 231012), (86832, 228160), (88320, 224316), (89280, 221904), (91264, 217080), (92460, 214272), (93465, 211968), (95232, 208035), (95542, 207360), (96255, 205824), (96480, 205344), (98624, 200880), (99360, 199392), (99696, 198720), (100440, 197248), (102672, 192960), (102912, 192510), (103680, 191084), (105984, 186930), (107136, 184920), (108540, 182528), (110952, 178560), (112158, 176640), (114080, 173664), (115506, 171520), (115776, 171120), (117760, 168237), (119040, 166428), (119232, 166160), (123280, 160704), (124620, 158976), (124821, 158720), (128340, 154368), (128640, 154008), (132480, 149544), (132928, 149040), (133920, 147936), (136896, 144720), (138240, 143313), (138690, 142848)]