20987164800

素因数分解:

$2^7\times 3^4\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:355

約数の個数: 960

約数和(自身を含む): 90906235200

約数和(自身を除く): 69919070400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 27, 28, 30, 32, 35, 36, 40, 42, 43, 45, 48, 50, 54, 56, 60, 63, 64, 70, 72, 75, 80, 81, 84, 86, 90, 96, 100, 105, 108, 112, 120, 126, 128, 129, 135, 140, 144, 150, 160, 162, 168, 172, 175, 180, 189, 192, 200, 210, 215, 216, 224, 225, 240, 252, 258, 269, 270, 280, 288, 300, 301, 315, 320, 324, 336, 344, 350, 360, 378, 384, 387, 400, 405, 420, 430, 432, 448, 450, 480, 504, 516, 525, 538, 540, 560, 567, 576, 600, 602, 630, 640, 645, 648, 672, 675, 688, 700, 720, 756, 774, 800, 807, 810, 840, 860, 864, 896, 900, 903, 945, 960, 1008, 1032, 1050, 1075, 1076, 1080, 1120, 1134, 1152, 1161, 1200, 1204, 1260, 1290, 1296, 1344, 1345, 1350, 1376, 1400, 1440, 1505, 1512, 1548, 1575, 1600, 1614, 1620, 1680, 1720, 1728, 1800, 1806, 1883, 1890, 1920, 1935, 2016, 2025, 2064, 2100, 2150, 2152, 2160, 2240, 2268, 2322, 2400, 2408, 2421, 2520, 2580, 2592, 2688, 2690, 2700, 2709, 2752, 2800, 2835, 2880, 3010, 3024, 3096, 3150, 3200, 3225, 3228, 3240, 3360, 3440, 3456, 3483, 3600, 3612, 3766, 3780, 3870, 4032, 4035, 4050, 4128, 4200, 4300, 4304, 4320, 4480, 4515, 4536, 4644, 4725, 4800, 4816, 4842, 5040, 5160, 5184, 5380, 5400, 5418, 5504, 5600, 5649, 5670, 5760, 5805, 6020, 6048, 6192, 6300, 6450, 6456, 6480, 6720, 6725, 6880, 6966, 7200, 7224, 7263, 7525, 7532, 7560, 7740, 8064, 8070, 8100, 8127, 8256, 8400, 8600, 8608, 8640, 9030, 9072, 9288, 9415, 9450, 9600, 9632, 9675, 9684, 10080, 10320, 10368, 10760, 10800, 10836, 11200, 11298, 11340, 11567, 11610, 12040, 12096, 12105, 12384, 12600, 12900, 12912, 12960, 13440, 13450, 13545, 13760, 13932, 14175, 14400, 14448, 14526, 15050, 15064, 15120, 15480, 16140, 16200, 16254, 16512, 16800, 16947, 17200, 17216, 17280, 17415, 18060, 18144, 18576, 18830, 18900, 19264, 19350, 19368, 20160, 20175, 20640, 21520, 21600, 21672, 21789, 22400, 22575, 22596, 22680, 23134, 23220, 24080, 24192, 24210, 24381, 24768, 25200, 25800, 25824, 25920, 26900, 27090, 27520, 27864, 28245, 28350, 28800, 28896, 29025, 29052, 30100, 30128, 30240, 30960, 32280, 32400, 32508, 33600, 33894, 34400, 34432, 34701, 34830, 36120, 36288, 36315, 37152, 37660, 37800, 38528, 38700, 38736, 40320, 40350, 40635, 41280, 43040, 43200, 43344, 43578, 45150, 45192, 45360, 46268, 46440, 47075, 48160, 48420, 48762, 49536, 50400, 50841, 51600, 51648, 51840, 53800, 54180, 55728, 56490, 56700, 57792, 57835, 58050, 58104, 60200, 60256, 60480, 60525, 61920, 64560, 64800, 65016, 67200, 67725, 67788, 68800, 69402, 69660, 72240, 72576, 72630, 74304, 75320, 75600, 77400, 77472, 80700, 80969, 81270, 82560, 84735, 86080, 86400, 86688, 87075, 87156, 90300, 90384, 90720, 92536, 92880, 94150, 96320, 96840, 97524, 100800, 101682, 103200, 103296, 104103, 107600, 108360, 108945, 111456, 112980, 113400, 115584, 115670, 116100, 116208, 120400, 120512, 120960, 121050, 121905, 123840, 129120, 129600, 130032, 135450, 135576, 137600, 138804, 139320, 141225, 144480, 145260, 148608, 150640, 151200, 152523, 154800, 154944, 161400, 161938, 162540, 169470, 172160, 173376, 173505, 174150, 174312, 180600, 180768, 181440, 181575, 185072, 185760, 188300, 192640, 193680, 195048, 201600, 203175, 203364, 206400, 208206, 215200, 216720, 217890, 222912, 225960, 226800, 231340, 232200, 232416, 240800, 241024, 242100, 242907, 243810, 247680, 254205, 258240, 259200, 260064, 270900, 271152, 277608, 278640, 282450, 288960, 289175, 290520, 301280, 302400, 305046, 309600, 309888, 312309, 322800, 323876, 325080, 338940, 346752, 347010, 348300, 348624, 361200, 361536, 362880, 363150, 370144, 371520, 376600, 387360, 390096, 404845, 406350, 406728, 412800, 416412, 423675, 430400, 433440, 435780, 445824, 451920, 453600, 462680, 464400, 464832, 481600, 484200, 485814, 487620, 508410, 516480, 520128, 520515, 541800, 542304, 544725, 555216, 557280, 564900, 577920, 578350, 581040, 602560, 604800, 609525, 610092, 619200, 624618, 645600, 647752, 650160, 677880, 694020, 696600, 697248, 722400, 723072, 726300, 728721, 740288, 743040, 753200, 762615, 774720, 780192, 809690, 812700, 813456, 832824, 847350, 860800, 866880, 867525, 871560, 903840, 907200, 925360, 928800, 929664, 936927, 963200, 968400, 971628, 975240, 1016820, 1040256, 1041030, 1083600, 1084608, 1089450, 1110432, 1114560, 1129800, 1156700, 1162080, 1205120, 1214535, 1219050, 1220184, 1238400, 1249236, 1271025, 1291200, 1295504, 1300320, 1355760, 1388040, 1393200, 1394496, 1444800, 1452600, 1457442, 1480576, 1506400, 1525230, 1549440, 1560384, 1561545, 1619380, 1625400, 1626912, 1665648, 1694700, 1733760, 1735050, 1743120, 1807680, 1814400, 1850720, 1857600, 1873854, 1936800, 1943256, 1950480, 2024225, 2033640, 2082060, 2167200, 2169216, 2178900, 2186163, 2220864, 2229120, 2259600, 2313400, 2324160, 2429070, 2438100, 2440368, 2498472, 2542050, 2582400, 2591008, 2600640, 2602575, 2711520, 2776080, 2786400, 2788992, 2889600, 2905200, 2914884, 3012800, 3050460, 3120768, 3123090, 3238760, 3250800, 3253824, 3331296, 3389400, 3470100, 3486240, 3615360, 3643605, 3701440, 3715200, 3747708, 3813075, 3873600, 3886512, 3900960, 4048450, 4067280, 4164120, 4334400, 4357800, 4372326, 4441728, 4519200, 4626800, 4648320, 4684635, 4858140, 4876200, 4880736, 4996944, 5084100, 5182016, 5201280, 5205150, 5423040, 5552160, 5572800, 5810400, 5829768, 6025600, 6072675, 6100920, 6246180, 6477520, 6501600, 6507648, 6558489, 6662592, 6778800, 6940200, 6972480, 7287210, 7402880, 7495416, 7626150, 7747200, 7773024, 7801920, 7807725, 8096900, 8134560, 8328240, 8668800, 8715600, 8744652, 9038400, 9253600, 9369270, 9716280, 9752400, 9761472, 9993888, 10168200, 10364032, 10410300, 10846080, 10930815, 11104320, 11145600, 11620800, 11659536, 12145350, 12201840, 12492360, 12955040, 13003200, 13116978, 13325184, 13557600, 13880400, 13944960, 14574420, 14990832, 15252300, 15546048, 15603840, 15615450, 16193800, 16269120, 16656480, 17431200, 17489304, 18076800, 18218025, 18507200, 18738540, 19432560, 19504800, 19522944, 19987776, 20336400, 20820600, 21861630, 22208640, 23241600, 23319072, 23423175, 24290700, 24403680, 24984720, 25910080, 26006400, 26233956, 27115200, 27760800, 29148840, 29981664, 30504600, 31092096, 31230900, 32387600, 32538240, 32792445, 33312960, 34862400, 34978608, 36436050, 37014400, 37477080, 38865120, 39009600, 39975552, 40672800, 41641200, 43723260, 46638144, 46846350, 48581400, 48807360, 49969440, 51820160, 52467912, 54230400, 54654075, 55521600, 58297680, 59963328, 61009200, 62461800, 64775200, 65584890, 66625920, 69724800, 69957216, 72872100, 74954160, 77730240, 78019200, 81345600, 83282400, 87446520, 93276288, 93692700, 97162800, 97614720, 99938880, 104935824, 109308150, 111043200, 116595360, 119926656, 122018400, 124923600, 129550400, 131169780, 139914432, 145744200, 149908320, 155460480, 162691200, 163962225, 166564800, 174893040, 187385400, 194325600, 199877760, 209871648, 218616300, 233190720, 244036800, 249847200, 259100800, 262339560, 279828864, 291488400, 299816640, 327924450, 333129600, 349786080, 374770800, 388651200, 419743296, 437232600, 466381440, 488073600, 499694400, 524679120, 582976800, 599633280, 655848900, 699572160, 749541600, 777302400, 839486592, 874465200, 999388800, 1049358240, 1165953600, 1311697800, 1399144320, 1499083200, 1748930400, 2098716480, 2331907200, 2623395600, 2998166400, 3497860800, 4197432960, 5246791200, 6995721600, 10493582400, 20987164800]

約数ペア:

[(1, 20987164800), (2, 10493582400), (3, 6995721600), (4, 5246791200), (5, 4197432960), (6, 3497860800), (7, 2998166400), (8, 2623395600), (9, 2331907200), (10, 2098716480), (12, 1748930400), (14, 1499083200), (15, 1399144320), (16, 1311697800), (18, 1165953600), (20, 1049358240), (21, 999388800), (24, 874465200), (25, 839486592), (27, 777302400), (28, 749541600), (30, 699572160), (32, 655848900), (35, 599633280), (36, 582976800), (40, 524679120), (42, 499694400), (43, 488073600), (45, 466381440), (48, 437232600), (50, 419743296), (54, 388651200), (56, 374770800), (60, 349786080), (63, 333129600), (64, 327924450), (70, 299816640), (72, 291488400), (75, 279828864), (80, 262339560), (81, 259100800), (84, 249847200), (86, 244036800), (90, 233190720), (96, 218616300), (100, 209871648), (105, 199877760), (108, 194325600), (112, 187385400), (120, 174893040), (126, 166564800), (128, 163962225), (129, 162691200), (135, 155460480), (140, 149908320), (144, 145744200), (150, 139914432), (160, 131169780), (162, 129550400), (168, 124923600), (172, 122018400), (175, 119926656), (180, 116595360), (189, 111043200), (192, 109308150), (200, 104935824), (210, 99938880), (215, 97614720), (216, 97162800), (224, 93692700), (225, 93276288), (240, 87446520), (252, 83282400), (258, 81345600), (269, 78019200), (270, 77730240), (280, 74954160), (288, 72872100), (300, 69957216), (301, 69724800), (315, 66625920), (320, 65584890), (324, 64775200), (336, 62461800), (344, 61009200), (350, 59963328), (360, 58297680), (378, 55521600), (384, 54654075), (387, 54230400), (400, 52467912), (405, 51820160), (420, 49969440), (430, 48807360), (432, 48581400), (448, 46846350), (450, 46638144), (480, 43723260), (504, 41641200), (516, 40672800), (525, 39975552), (538, 39009600), (540, 38865120), (560, 37477080), (567, 37014400), (576, 36436050), (600, 34978608), (602, 34862400), (630, 33312960), (640, 32792445), (645, 32538240), (648, 32387600), (672, 31230900), (675, 31092096), (688, 30504600), (700, 29981664), (720, 29148840), (756, 27760800), (774, 27115200), (800, 26233956), (807, 26006400), (810, 25910080), (840, 24984720), (860, 24403680), (864, 24290700), (896, 23423175), (900, 23319072), (903, 23241600), (945, 22208640), (960, 21861630), (1008, 20820600), (1032, 20336400), (1050, 19987776), (1075, 19522944), (1076, 19504800), (1080, 19432560), (1120, 18738540), (1134, 18507200), (1152, 18218025), (1161, 18076800), (1200, 17489304), (1204, 17431200), (1260, 16656480), (1290, 16269120), (1296, 16193800), (1344, 15615450), (1345, 15603840), (1350, 15546048), (1376, 15252300), (1400, 14990832), (1440, 14574420), (1505, 13944960), (1512, 13880400), (1548, 13557600), (1575, 13325184), (1600, 13116978), (1614, 13003200), (1620, 12955040), (1680, 12492360), (1720, 12201840), (1728, 12145350), (1800, 11659536), (1806, 11620800), (1883, 11145600), (1890, 11104320), (1920, 10930815), (1935, 10846080), (2016, 10410300), (2025, 10364032), (2064, 10168200), (2100, 9993888), (2150, 9761472), (2152, 9752400), (2160, 9716280), (2240, 9369270), (2268, 9253600), (2322, 9038400), (2400, 8744652), (2408, 8715600), (2421, 8668800), (2520, 8328240), (2580, 8134560), (2592, 8096900), (2688, 7807725), (2690, 7801920), (2700, 7773024), (2709, 7747200), (2752, 7626150), (2800, 7495416), (2835, 7402880), (2880, 7287210), (3010, 6972480), (3024, 6940200), (3096, 6778800), (3150, 6662592), (3200, 6558489), (3225, 6507648), (3228, 6501600), (3240, 6477520), (3360, 6246180), (3440, 6100920), (3456, 6072675), (3483, 6025600), (3600, 5829768), (3612, 5810400), (3766, 5572800), (3780, 5552160), (3870, 5423040), (4032, 5205150), (4035, 5201280), (4050, 5182016), (4128, 5084100), (4200, 4996944), (4300, 4880736), (4304, 4876200), (4320, 4858140), (4480, 4684635), (4515, 4648320), (4536, 4626800), (4644, 4519200), (4725, 4441728), (4800, 4372326), (4816, 4357800), (4842, 4334400), (5040, 4164120), (5160, 4067280), (5184, 4048450), (5380, 3900960), (5400, 3886512), (5418, 3873600), (5504, 3813075), (5600, 3747708), (5649, 3715200), (5670, 3701440), (5760, 3643605), (5805, 3615360), (6020, 3486240), (6048, 3470100), (6192, 3389400), (6300, 3331296), (6450, 3253824), (6456, 3250800), (6480, 3238760), (6720, 3123090), (6725, 3120768), (6880, 3050460), (6966, 3012800), (7200, 2914884), (7224, 2905200), (7263, 2889600), (7525, 2788992), (7532, 2786400), (7560, 2776080), (7740, 2711520), (8064, 2602575), (8070, 2600640), (8100, 2591008), (8127, 2582400), (8256, 2542050), (8400, 2498472), (8600, 2440368), (8608, 2438100), (8640, 2429070), (9030, 2324160), (9072, 2313400), (9288, 2259600), (9415, 2229120), (9450, 2220864), (9600, 2186163), (9632, 2178900), (9675, 2169216), (9684, 2167200), (10080, 2082060), (10320, 2033640), (10368, 2024225), (10760, 1950480), (10800, 1943256), (10836, 1936800), (11200, 1873854), (11298, 1857600), (11340, 1850720), (11567, 1814400), (11610, 1807680), (12040, 1743120), (12096, 1735050), (12105, 1733760), (12384, 1694700), (12600, 1665648), (12900, 1626912), (12912, 1625400), (12960, 1619380), (13440, 1561545), (13450, 1560384), (13545, 1549440), (13760, 1525230), (13932, 1506400), (14175, 1480576), (14400, 1457442), (14448, 1452600), (14526, 1444800), (15050, 1394496), (15064, 1393200), (15120, 1388040), (15480, 1355760), (16140, 1300320), (16200, 1295504), (16254, 1291200), (16512, 1271025), (16800, 1249236), (16947, 1238400), (17200, 1220184), (17216, 1219050), (17280, 1214535), (17415, 1205120), (18060, 1162080), (18144, 1156700), (18576, 1129800), (18830, 1114560), (18900, 1110432), (19264, 1089450), (19350, 1084608), (19368, 1083600), (20160, 1041030), (20175, 1040256), (20640, 1016820), (21520, 975240), (21600, 971628), (21672, 968400), (21789, 963200), (22400, 936927), (22575, 929664), (22596, 928800), (22680, 925360), (23134, 907200), (23220, 903840), (24080, 871560), (24192, 867525), (24210, 866880), (24381, 860800), (24768, 847350), (25200, 832824), (25800, 813456), (25824, 812700), (25920, 809690), (26900, 780192), (27090, 774720), (27520, 762615), (27864, 753200), (28245, 743040), (28350, 740288), (28800, 728721), (28896, 726300), (29025, 723072), (29052, 722400), (30100, 697248), (30128, 696600), (30240, 694020), (30960, 677880), (32280, 650160), (32400, 647752), (32508, 645600), (33600, 624618), (33894, 619200), (34400, 610092), (34432, 609525), (34701, 604800), (34830, 602560), (36120, 581040), (36288, 578350), (36315, 577920), (37152, 564900), (37660, 557280), (37800, 555216), (38528, 544725), (38700, 542304), (38736, 541800), (40320, 520515), (40350, 520128), (40635, 516480), (41280, 508410), (43040, 487620), (43200, 485814), (43344, 484200), (43578, 481600), (45150, 464832), (45192, 464400), (45360, 462680), (46268, 453600), (46440, 451920), (47075, 445824), (48160, 435780), (48420, 433440), (48762, 430400), (49536, 423675), (50400, 416412), (50841, 412800), (51600, 406728), (51648, 406350), (51840, 404845), (53800, 390096), (54180, 387360), (55728, 376600), (56490, 371520), (56700, 370144), (57792, 363150), (57835, 362880), (58050, 361536), (58104, 361200), (60200, 348624), (60256, 348300), (60480, 347010), (60525, 346752), (61920, 338940), (64560, 325080), (64800, 323876), (65016, 322800), (67200, 312309), (67725, 309888), (67788, 309600), (68800, 305046), (69402, 302400), (69660, 301280), (72240, 290520), (72576, 289175), (72630, 288960), (74304, 282450), (75320, 278640), (75600, 277608), (77400, 271152), (77472, 270900), (80700, 260064), (80969, 259200), (81270, 258240), (82560, 254205), (84735, 247680), (86080, 243810), (86400, 242907), (86688, 242100), (87075, 241024), (87156, 240800), (90300, 232416), (90384, 232200), (90720, 231340), (92536, 226800), (92880, 225960), (94150, 222912), (96320, 217890), (96840, 216720), (97524, 215200), (100800, 208206), (101682, 206400), (103200, 203364), (103296, 203175), (104103, 201600), (107600, 195048), (108360, 193680), (108945, 192640), (111456, 188300), (112980, 185760), (113400, 185072), (115584, 181575), (115670, 181440), (116100, 180768), (116208, 180600), (120400, 174312), (120512, 174150), (120960, 173505), (121050, 173376), (121905, 172160), (123840, 169470), (129120, 162540), (129600, 161938), (130032, 161400), (135450, 154944), (135576, 154800), (137600, 152523), (138804, 151200), (139320, 150640), (141225, 148608), (144480, 145260)]