20281557600

素因数分解:

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

素因数の和:107

約数の個数: 972

約数和(自身を含む): 83150904564

約数和(自身を除く): 62869346964

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 19, 20, 24, 25, 27, 30, 32, 34, 36, 38, 40, 45, 48, 50, 51, 54, 57, 60, 68, 72, 75, 76, 80, 81, 85, 90, 95, 96, 100, 102, 108, 114, 120, 135, 136, 144, 150, 152, 153, 160, 162, 170, 171, 180, 190, 200, 204, 216, 225, 228, 240, 243, 255, 270, 272, 285, 288, 289, 300, 304, 306, 323, 324, 340, 342, 360, 361, 380, 400, 405, 408, 425, 432, 450, 456, 459, 475, 480, 486, 510, 513, 540, 544, 570, 578, 600, 608, 612, 646, 648, 675, 680, 684, 720, 722, 760, 765, 800, 810, 816, 850, 855, 864, 867, 900, 912, 918, 950, 969, 972, 1020, 1026, 1080, 1083, 1140, 1156, 1200, 1215, 1224, 1275, 1292, 1296, 1350, 1360, 1368, 1377, 1425, 1440, 1444, 1445, 1520, 1530, 1539, 1615, 1620, 1632, 1700, 1710, 1734, 1800, 1805, 1824, 1836, 1900, 1938, 1944, 2025, 2040, 2052, 2160, 2166, 2280, 2295, 2312, 2400, 2430, 2448, 2550, 2565, 2584, 2592, 2601, 2700, 2720, 2736, 2754, 2850, 2888, 2890, 2907, 3040, 3060, 3078, 3230, 3240, 3249, 3400, 3420, 3468, 3600, 3610, 3672, 3800, 3825, 3876, 3888, 4050, 4080, 4104, 4131, 4275, 4320, 4332, 4335, 4560, 4590, 4617, 4624, 4845, 4860, 4896, 5100, 5130, 5168, 5202, 5400, 5415, 5472, 5491, 5508, 5700, 5776, 5780, 5814, 6075, 6120, 6137, 6156, 6460, 6480, 6498, 6800, 6840, 6885, 6936, 7200, 7220, 7225, 7344, 7600, 7650, 7695, 7752, 7776, 7803, 8075, 8100, 8160, 8208, 8262, 8550, 8664, 8670, 8721, 9025, 9120, 9180, 9234, 9248, 9690, 9720, 9747, 10200, 10260, 10336, 10404, 10800, 10830, 10982, 11016, 11400, 11475, 11552, 11560, 11628, 12150, 12240, 12274, 12312, 12825, 12920, 12960, 12996, 13005, 13600, 13680, 13770, 13872, 14440, 14450, 14535, 14688, 15200, 15300, 15390, 15504, 15606, 16150, 16200, 16245, 16416, 16473, 16524, 17100, 17328, 17340, 17442, 18050, 18360, 18411, 18468, 19380, 19440, 19494, 20400, 20520, 20655, 20808, 21600, 21660, 21675, 21964, 22032, 22800, 22950, 23085, 23120, 23256, 23409, 24225, 24300, 24480, 24548, 24624, 25650, 25840, 25992, 26010, 26163, 27075, 27360, 27455, 27540, 27744, 28880, 28900, 29070, 29241, 30600, 30685, 30780, 31008, 31212, 32300, 32400, 32490, 32946, 33048, 34200, 34425, 34656, 34680, 34884, 36100, 36720, 36822, 36936, 38475, 38760, 38880, 38988, 39015, 40800, 41040, 41310, 41616, 43320, 43350, 43605, 43928, 44064, 45600, 45900, 46170, 46240, 46512, 46818, 48450, 48600, 48735, 49096, 49248, 49419, 51300, 51680, 51984, 52020, 52326, 54150, 54910, 55080, 55233, 57760, 57800, 58140, 58482, 61200, 61370, 61560, 62424, 64600, 64800, 64980, 65025, 65892, 66096, 68400, 68850, 69360, 69768, 70227, 72200, 72675, 73440, 73644, 73872, 76950, 77520, 77976, 78030, 78489, 81225, 82080, 82365, 82620, 83232, 86640, 86700, 87210, 87723, 87856, 91800, 92055, 92340, 93024, 93636, 96900, 97200, 97470, 98192, 98838, 102600, 103275, 103968, 104040, 104329, 104652, 108300, 109820, 110160, 110466, 115425, 115600, 116280, 116964, 117045, 122400, 122740, 123120, 124848, 129200, 129960, 130050, 130815, 131784, 132192, 136800, 137275, 137700, 138720, 139536, 140454, 144400, 145350, 146205, 147288, 147744, 148257, 153425, 153900, 155040, 155952, 156060, 156978, 162450, 164730, 165240, 165699, 173280, 173400, 174420, 175446, 175712, 183600, 184110, 184680, 187272, 193800, 194400, 194940, 195075, 196384, 197676, 205200, 206550, 208080, 208658, 209304, 216600, 218025, 219640, 220320, 220932, 230850, 231200, 232560, 233928, 234090, 243675, 245480, 246240, 247095, 249696, 258400, 259920, 260100, 261630, 263568, 274550, 275400, 276165, 279072, 280908, 288800, 290700, 292410, 294576, 296514, 306850, 307800, 311904, 312120, 312987, 313956, 324900, 329460, 330480, 331398, 346800, 348840, 350892, 351135, 367200, 368220, 369360, 374544, 387600, 389880, 390150, 392445, 395352, 410400, 411825, 413100, 416160, 417316, 418608, 433200, 436050, 438615, 439280, 441864, 444771, 460275, 461700, 465120, 467856, 468180, 487350, 490960, 494190, 497097, 519840, 520200, 521645, 523260, 527136, 549100, 550800, 552330, 561816, 581400, 584820, 585225, 589152, 593028, 613700, 615600, 624240, 625974, 627912, 649800, 654075, 658920, 660960, 662796, 693600, 697680, 701784, 702270, 731025, 736440, 738720, 741285, 749088, 775200, 779760, 780300, 784890, 790704, 823650, 826200, 828495, 834632, 837216, 866400, 872100, 877230, 878560, 883728, 889542, 920550, 923400, 935712, 936360, 938961, 974700, 981920, 988380, 994194, 1040400, 1043290, 1046520, 1098200, 1101600, 1104660, 1123632, 1162800, 1169640, 1170450, 1186056, 1227400, 1231200, 1235475, 1248480, 1251948, 1255824, 1299600, 1308150, 1317840, 1325592, 1334313, 1380825, 1395360, 1403568, 1404540, 1462050, 1472880, 1482570, 1491291, 1559520, 1560600, 1564935, 1569780, 1581408, 1647300, 1652400, 1656990, 1669264, 1744200, 1754460, 1755675, 1767456, 1779084, 1841100, 1846800, 1872720, 1877922, 1949400, 1962225, 1976760, 1988388, 2080800, 2086580, 2093040, 2193075, 2196400, 2209320, 2223855, 2247264, 2325600, 2339280, 2340900, 2372112, 2454800, 2470950, 2485485, 2503896, 2511648, 2599200, 2608225, 2616300, 2635680, 2651184, 2668626, 2761650, 2807136, 2809080, 2816883, 2924100, 2945760, 2965140, 2982582, 3121200, 3129870, 3139560, 3294600, 3304800, 3313980, 3338528, 3488400, 3508920, 3511350, 3558168, 3682200, 3693600, 3706425, 3745440, 3755844, 3898800, 3924450, 3953520, 3976776, 4142475, 4173160, 4186080, 4386150, 4392800, 4418640, 4447710, 4678560, 4681800, 4694805, 4744224, 4909600, 4941900, 4970970, 5007792, 5216450, 5232600, 5302368, 5337252, 5523300, 5618160, 5633766, 5848200, 5930280, 5965164, 6242400, 6259740, 6279120, 6589200, 6627960, 6671565, 6976800, 7017840, 7022700, 7116336, 7364400, 7412850, 7456455, 7511688, 7797600, 7824675, 7848900, 7907040, 7953552, 8284950, 8346320, 8450649, 8772300, 8837280, 8895420, 9363600, 9389610, 9883800, 9941940, 10015584, 10432900, 10465200, 10674504, 11046600, 11119275, 11236320, 11267532, 11696400, 11860560, 11930328, 12427425, 12519480, 12558240, 13178400, 13255920, 13343130, 14035680, 14045400, 14084415, 14232672, 14728800, 14825700, 14912910, 15023376, 15649350, 15697800, 15907104, 16569900, 16692640, 16901298, 17544600, 17790840, 18727200, 18779220, 19767600, 19883880, 20865800, 20930400, 21349008, 22093200, 22238550, 22535064, 23392800, 23474025, 23721120, 23860656, 24854850, 25038960, 25351947, 26511840, 26686260, 28090800, 28168830, 29651400, 29825820, 30046752, 31298700, 31395600, 33139800, 33357825, 33802596, 35089200, 35581680, 37282275, 37558440, 39535200, 39767760, 41731600, 42253245, 42698016, 44186400, 44477100, 45070128, 46948050, 47721312, 49709700, 50077920, 50703894, 53372520, 56181600, 56337660, 59302800, 59651640, 62597400, 62791200, 66279600, 66715650, 67605192, 70178400, 70422075, 71163360, 74564550, 75116880, 79535520, 83463200, 84506490, 88954200, 90140256, 93896100, 99419400, 101407788, 106745040, 112675320, 118605600, 119303280, 125194800, 126759735, 132559200, 133431300, 135210384, 140844150, 149129100, 150233760, 169012980, 177908400, 187792200, 198838800, 202815576, 211266225, 213490080, 225350640, 238606560, 250389600, 253519470, 266862600, 270420768, 281688300, 298258200, 338025960, 355816800, 375584400, 397677600, 405631152, 422532450, 450701280, 507038940, 533725200, 563376600, 596516400, 633798675, 676051920, 751168800, 811262304, 845064900, 1014077880, 1067450400, 1126753200, 1193032800, 1267597350, 1352103840, 1690129800, 2028155760, 2253506400, 2535194700, 3380259600, 4056311520, 5070389400, 6760519200, 10140778800, 20281557600]

約数ペア:

[(1, 20281557600), (2, 10140778800), (3, 6760519200), (4, 5070389400), (5, 4056311520), (6, 3380259600), (8, 2535194700), (9, 2253506400), (10, 2028155760), (12, 1690129800), (15, 1352103840), (16, 1267597350), (17, 1193032800), (18, 1126753200), (19, 1067450400), (20, 1014077880), (24, 845064900), (25, 811262304), (27, 751168800), (30, 676051920), (32, 633798675), (34, 596516400), (36, 563376600), (38, 533725200), (40, 507038940), (45, 450701280), (48, 422532450), (50, 405631152), (51, 397677600), (54, 375584400), (57, 355816800), (60, 338025960), (68, 298258200), (72, 281688300), (75, 270420768), (76, 266862600), (80, 253519470), (81, 250389600), (85, 238606560), (90, 225350640), (95, 213490080), (96, 211266225), (100, 202815576), (102, 198838800), (108, 187792200), (114, 177908400), (120, 169012980), (135, 150233760), (136, 149129100), (144, 140844150), (150, 135210384), (152, 133431300), (153, 132559200), (160, 126759735), (162, 125194800), (170, 119303280), (171, 118605600), (180, 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(864, 23474025), (867, 23392800), (900, 22535064), (912, 22238550), (918, 22093200), (950, 21349008), (969, 20930400), (972, 20865800), (1020, 19883880), (1026, 19767600), (1080, 18779220), (1083, 18727200), (1140, 17790840), (1156, 17544600), (1200, 16901298), (1215, 16692640), (1224, 16569900), (1275, 15907104), (1292, 15697800), (1296, 15649350), (1350, 15023376), (1360, 14912910), (1368, 14825700), (1377, 14728800), (1425, 14232672), (1440, 14084415), (1444, 14045400), (1445, 14035680), (1520, 13343130), (1530, 13255920), (1539, 13178400), (1615, 12558240), (1620, 12519480), (1632, 12427425), (1700, 11930328), (1710, 11860560), (1734, 11696400), (1800, 11267532), (1805, 11236320), (1824, 11119275), (1836, 11046600), (1900, 10674504), (1938, 10465200), (1944, 10432900), (2025, 10015584), (2040, 9941940), (2052, 9883800), (2160, 9389610), (2166, 9363600), (2280, 8895420), (2295, 8837280), (2312, 8772300), (2400, 8450649), (2430, 8346320), (2448, 8284950), (2550, 7953552), (2565, 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738720), (27540, 736440), (27744, 731025), (28880, 702270), (28900, 701784), (29070, 697680), (29241, 693600), (30600, 662796), (30685, 660960), (30780, 658920), (31008, 654075), (31212, 649800), (32300, 627912), (32400, 625974), (32490, 624240), (32946, 615600), (33048, 613700), (34200, 593028), (34425, 589152), (34656, 585225), (34680, 584820), (34884, 581400), (36100, 561816), (36720, 552330), (36822, 550800), (36936, 549100), (38475, 527136), (38760, 523260), (38880, 521645), (38988, 520200), (39015, 519840), (40800, 497097), (41040, 494190), (41310, 490960), (41616, 487350), (43320, 468180), (43350, 467856), (43605, 465120), (43928, 461700), (44064, 460275), (45600, 444771), (45900, 441864), (46170, 439280), (46240, 438615), (46512, 436050), (46818, 433200), (48450, 418608), (48600, 417316), (48735, 416160), (49096, 413100), (49248, 411825), (49419, 410400), (51300, 395352), (51680, 392445), (51984, 390150), (52020, 389880), (52326, 387600), (54150, 374544), (54910, 369360), (55080, 368220), (55233, 367200), (57760, 351135), (57800, 350892), (58140, 348840), (58482, 346800), (61200, 331398), (61370, 330480), (61560, 329460), (62424, 324900), (64600, 313956), (64800, 312987), (64980, 312120), (65025, 311904), (65892, 307800), (66096, 306850), (68400, 296514), (68850, 294576), (69360, 292410), (69768, 290700), (70227, 288800), (72200, 280908), (72675, 279072), (73440, 276165), (73644, 275400), (73872, 274550), (76950, 263568), (77520, 261630), (77976, 260100), (78030, 259920), (78489, 258400), (81225, 249696), (82080, 247095), (82365, 246240), (82620, 245480), (83232, 243675), (86640, 234090), (86700, 233928), (87210, 232560), (87723, 231200), (87856, 230850), (91800, 220932), (92055, 220320), (92340, 219640), (93024, 218025), (93636, 216600), (96900, 209304), (97200, 208658), (97470, 208080), (98192, 206550), (98838, 205200), (102600, 197676), (103275, 196384), (103968, 195075), (104040, 194940), (104329, 194400), (104652, 193800), (108300, 187272), (109820, 184680), (110160, 184110), (110466, 183600), (115425, 175712), (115600, 175446), (116280, 174420), (116964, 173400), (117045, 173280), (122400, 165699), (122740, 165240), (123120, 164730), (124848, 162450), (129200, 156978), (129960, 156060), (130050, 155952), (130815, 155040), (131784, 153900), (132192, 153425), (136800, 148257), (137275, 147744), (137700, 147288), (138720, 146205), (139536, 145350), (140454, 144400)]