20785128000

素因数分解:

$2^6\times 3^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:388

約数の個数: 896

約数和(自身を含む): 87479648256

約数和(自身を除く): 66694520256

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 25, 26, 28, 30, 31, 32, 35, 39, 40, 42, 48, 50, 52, 56, 60, 62, 64, 65, 70, 75, 78, 80, 84, 91, 93, 96, 100, 104, 105, 112, 120, 124, 125, 130, 140, 150, 155, 156, 160, 168, 175, 182, 186, 192, 195, 200, 208, 210, 217, 224, 240, 248, 250, 260, 273, 280, 300, 307, 310, 312, 320, 325, 336, 350, 364, 372, 375, 390, 400, 403, 416, 420, 434, 448, 455, 465, 480, 496, 500, 520, 525, 546, 560, 600, 614, 620, 624, 650, 651, 672, 700, 728, 744, 750, 775, 780, 800, 806, 832, 840, 868, 875, 910, 921, 930, 960, 975, 992, 1000, 1040, 1050, 1085, 1092, 1120, 1200, 1209, 1228, 1240, 1248, 1300, 1302, 1344, 1365, 1400, 1456, 1488, 1500, 1535, 1550, 1560, 1600, 1612, 1625, 1680, 1736, 1750, 1820, 1842, 1860, 1950, 1984, 2000, 2015, 2080, 2100, 2149, 2170, 2184, 2240, 2275, 2325, 2400, 2418, 2456, 2480, 2496, 2600, 2604, 2625, 2730, 2800, 2821, 2912, 2976, 3000, 3070, 3100, 3120, 3224, 3250, 3255, 3360, 3472, 3500, 3640, 3684, 3720, 3875, 3900, 3991, 4000, 4030, 4160, 4200, 4298, 4340, 4368, 4550, 4605, 4650, 4800, 4836, 4875, 4912, 4960, 5200, 5208, 5250, 5425, 5460, 5600, 5642, 5824, 5952, 6000, 6045, 6140, 6200, 6240, 6447, 6448, 6500, 6510, 6720, 6825, 6944, 7000, 7280, 7368, 7440, 7675, 7750, 7800, 7982, 8000, 8060, 8400, 8463, 8596, 8680, 8736, 9100, 9210, 9300, 9517, 9672, 9750, 9824, 9920, 10075, 10400, 10416, 10500, 10745, 10850, 10920, 11200, 11284, 11375, 11625, 11973, 12000, 12090, 12280, 12400, 12480, 12894, 12896, 13000, 13020, 13650, 13888, 14000, 14105, 14560, 14736, 14880, 15350, 15500, 15600, 15964, 16120, 16275, 16800, 16926, 17192, 17360, 17472, 18200, 18420, 18600, 19034, 19344, 19500, 19648, 19955, 20150, 20800, 20832, 21000, 21490, 21700, 21840, 22568, 22750, 23025, 23250, 23946, 24000, 24180, 24560, 24800, 25788, 25792, 26000, 26040, 27125, 27300, 27937, 28000, 28210, 28551, 29120, 29472, 29760, 30225, 30700, 31000, 31200, 31928, 32235, 32240, 32550, 33600, 33852, 34125, 34384, 34720, 36400, 36840, 37200, 38068, 38375, 38688, 39000, 39910, 40300, 41664, 42000, 42315, 42980, 43400, 43680, 45136, 45500, 46050, 46500, 47585, 47892, 48360, 49120, 49600, 50375, 51576, 52000, 52080, 53725, 54250, 54600, 55874, 56000, 56420, 57102, 58944, 59865, 60450, 61400, 62000, 62400, 63856, 64470, 64480, 65100, 66619, 67704, 68250, 68768, 69440, 70525, 72800, 73680, 74400, 76136, 76750, 77376, 78000, 79820, 80600, 81375, 83811, 84000, 84630, 85960, 86800, 87360, 90272, 91000, 92100, 93000, 95170, 95784, 96720, 98240, 99775, 100750, 103152, 104000, 104160, 107450, 108500, 109200, 111748, 112840, 114204, 115125, 119730, 120900, 122800, 123721, 124000, 127712, 128940, 128960, 130200, 133238, 135408, 136500, 137536, 139685, 141050, 142755, 145600, 147360, 148800, 151125, 152272, 153500, 156000, 159640, 161175, 161200, 162750, 167622, 168000, 169260, 171920, 173600, 180544, 182000, 184200, 186000, 190340, 191568, 193440, 199550, 199857, 201500, 206304, 208320, 211575, 214900, 217000, 218400, 223496, 225680, 228408, 230250, 237925, 239460, 241800, 245600, 247442, 248000, 255424, 257880, 260400, 266476, 268625, 270816, 273000, 279370, 282100, 285510, 294720, 299325, 302250, 304544, 307000, 312000, 319280, 322350, 322400, 325500, 333095, 335244, 338520, 343840, 347200, 352625, 364000, 368400, 371163, 372000, 380680, 383136, 386880, 399100, 399714, 403000, 412608, 419055, 423150, 429800, 434000, 436800, 446992, 451360, 456816, 460500, 475850, 478920, 483600, 491200, 494884, 498875, 515760, 520800, 532952, 537250, 541632, 546000, 558740, 564200, 571020, 598650, 604500, 609088, 614000, 618605, 638560, 644700, 644800, 651000, 666190, 670488, 677040, 687680, 698425, 705250, 713775, 728000, 736800, 742326, 744000, 761360, 766272, 798200, 799428, 805875, 806000, 838110, 846300, 859600, 866047, 868000, 893984, 902720, 913632, 921000, 951700, 957840, 967200, 989768, 997750, 999285, 1031520, 1041600, 1057875, 1065904, 1074500, 1092000, 1117480, 1128400, 1142040, 1189625, 1197300, 1209000, 1228000, 1237210, 1277120, 1289400, 1302000, 1332380, 1340976, 1354080, 1396850, 1410500, 1427550, 1473600, 1484652, 1496625, 1522720, 1596400, 1598856, 1611750, 1612000, 1665475, 1676220, 1692600, 1719200, 1732094, 1736000, 1787968, 1827264, 1842000, 1855815, 1903400, 1915680, 1934400, 1979536, 1995500, 1998570, 2063040, 2095275, 2115750, 2131808, 2149000, 2184000, 2234960, 2256800, 2284080, 2379250, 2394600, 2418000, 2456000, 2474420, 2578800, 2598141, 2604000, 2664760, 2681952, 2708160, 2793700, 2821000, 2855100, 2969304, 2993250, 3045440, 3093025, 3192800, 3197712, 3223500, 3224000, 3330950, 3352440, 3385200, 3438400, 3464188, 3492125, 3568875, 3684000, 3711630, 3806800, 3831360, 3959072, 3991000, 3997140, 4190550, 4231500, 4263616, 4298000, 4330235, 4469920, 4513600, 4568160, 4758500, 4789200, 4836000, 4948840, 4996425, 5157600, 5196282, 5208000, 5329520, 5363904, 5587400, 5642000, 5710200, 5938608, 5986500, 6186050, 6385600, 6395424, 6447000, 6661900, 6704880, 6770400, 6928376, 6984250, 7137750, 7368000, 7423260, 7613600, 7918144, 7982000, 7994280, 8327375, 8381100, 8463000, 8596000, 8660470, 8939840, 9136320, 9279075, 9517000, 9578400, 9672000, 9897680, 9992850, 10315200, 10392564, 10476375, 10659040, 11174800, 11284000, 11420400, 11877216, 11973000, 12372100, 12790848, 12894000, 12990705, 13323800, 13409760, 13540800, 13856752, 13968500, 14275500, 14846520, 15227200, 15465125, 15964000, 15988560, 16654750, 16762200, 16926000, 17192000, 17320940, 18558150, 19034000, 19156800, 19795360, 19985700, 20785128, 20952750, 21318080, 21651175, 22349600, 22568000, 22840800, 23754432, 23946000, 24744200, 24982125, 25788000, 25981410, 26647600, 26819520, 27713504, 27937000, 28551000, 29693040, 30930250, 31928000, 31977120, 33309500, 33524400, 33852000, 34641880, 37116300, 38068000, 39590720, 39971400, 41570256, 41905500, 43302350, 44699200, 45681600, 46395375, 47892000, 49488400, 49964250, 51576000, 51962820, 53295200, 55427008, 55874000, 57102000, 59386080, 61860500, 63954240, 64953525, 66619000, 67048800, 67704000, 69283760, 74232600, 76136000, 79942800, 83140512, 83811000, 86604700, 92790750, 95784000, 98976800, 99928500, 103925640, 106590400, 108255875, 111748000, 114204000, 118772160, 123721000, 129907050, 133238000, 134097600, 138567520, 148465200, 159885600, 166281024, 167622000, 173209400, 185581500, 197953600, 199857000, 207851280, 216511750, 223496000, 228408000, 247442000, 259814100, 266476000, 277135040, 296930400, 319771200, 324767625, 335244000, 346418800, 371163000, 399714000, 415702560, 433023500, 494884000, 519628200, 532952000, 593860800, 649535250, 670488000, 692837600, 742326000, 799428000, 831405120, 866047000, 989768000, 1039256400, 1299070500, 1385675200, 1484652000, 1598856000, 1732094000, 2078512800, 2598141000, 2969304000, 3464188000, 4157025600, 5196282000, 6928376000, 10392564000, 20785128000]

約数ペア:

[(1, 20785128000), (2, 10392564000), (3, 6928376000), (4, 5196282000), (5, 4157025600), (6, 3464188000), (7, 2969304000), (8, 2598141000), (10, 2078512800), (12, 1732094000), (13, 1598856000), (14, 1484652000), (15, 1385675200), (16, 1299070500), (20, 1039256400), (21, 989768000), (24, 866047000), (25, 831405120), (26, 799428000), (28, 742326000), (30, 692837600), (31, 670488000), (32, 649535250), (35, 593860800), (39, 532952000), (40, 519628200), (42, 494884000), (48, 433023500), (50, 415702560), (52, 399714000), (56, 371163000), (60, 346418800), (62, 335244000), (64, 324767625), (65, 319771200), (70, 296930400), (75, 277135040), (78, 266476000), (80, 259814100), (84, 247442000), (91, 228408000), (93, 223496000), (96, 216511750), (100, 207851280), (104, 199857000), (105, 197953600), (112, 185581500), (120, 173209400), (124, 167622000), (125, 166281024), (130, 159885600), (140, 148465200), (150, 138567520), (155, 134097600), (156, 133238000), (160, 129907050), (168, 123721000), (175, 118772160), (182, 114204000), (186, 111748000), (192, 108255875), (195, 106590400), (200, 103925640), (208, 99928500), (210, 98976800), (217, 95784000), (224, 92790750), (240, 86604700), (248, 83811000), (250, 83140512), (260, 79942800), (273, 76136000), (280, 74232600), (300, 69283760), (307, 67704000), (310, 67048800), (312, 66619000), (320, 64953525), (325, 63954240), (336, 61860500), (350, 59386080), (364, 57102000), (372, 55874000), (375, 55427008), (390, 53295200), (400, 51962820), (403, 51576000), (416, 49964250), (420, 49488400), (434, 47892000), (448, 46395375), (455, 45681600), (465, 44699200), (480, 43302350), (496, 41905500), (500, 41570256), (520, 39971400), (525, 39590720), (546, 38068000), (560, 37116300), (600, 34641880), (614, 33852000), (620, 33524400), (624, 33309500), (650, 31977120), (651, 31928000), (672, 30930250), (700, 29693040), (728, 28551000), (744, 27937000), (750, 27713504), (775, 26819520), (780, 26647600), (800, 25981410), (806, 25788000), (832, 24982125), (840, 24744200), (868, 23946000), (875, 23754432), (910, 22840800), (921, 22568000), (930, 22349600), (960, 21651175), (975, 21318080), (992, 20952750), (1000, 20785128), (1040, 19985700), (1050, 19795360), (1085, 19156800), (1092, 19034000), (1120, 18558150), (1200, 17320940), (1209, 17192000), (1228, 16926000), (1240, 16762200), (1248, 16654750), (1300, 15988560), (1302, 15964000), (1344, 15465125), (1365, 15227200), (1400, 14846520), (1456, 14275500), (1488, 13968500), (1500, 13856752), (1535, 13540800), (1550, 13409760), (1560, 13323800), (1600, 12990705), (1612, 12894000), (1625, 12790848), (1680, 12372100), (1736, 11973000), (1750, 11877216), (1820, 11420400), (1842, 11284000), (1860, 11174800), (1950, 10659040), (1984, 10476375), (2000, 10392564), (2015, 10315200), (2080, 9992850), (2100, 9897680), (2149, 9672000), (2170, 9578400), (2184, 9517000), (2240, 9279075), (2275, 9136320), (2325, 8939840), (2400, 8660470), (2418, 8596000), (2456, 8463000), (2480, 8381100), (2496, 8327375), (2600, 7994280), (2604, 7982000), (2625, 7918144), (2730, 7613600), (2800, 7423260), (2821, 7368000), (2912, 7137750), (2976, 6984250), (3000, 6928376), (3070, 6770400), (3100, 6704880), (3120, 6661900), (3224, 6447000), (3250, 6395424), (3255, 6385600), (3360, 6186050), (3472, 5986500), (3500, 5938608), (3640, 5710200), (3684, 5642000), (3720, 5587400), (3875, 5363904), (3900, 5329520), (3991, 5208000), (4000, 5196282), (4030, 5157600), (4160, 4996425), (4200, 4948840), (4298, 4836000), (4340, 4789200), (4368, 4758500), (4550, 4568160), (4605, 4513600), (4650, 4469920), (4800, 4330235), (4836, 4298000), (4875, 4263616), (4912, 4231500), (4960, 4190550), (5200, 3997140), (5208, 3991000), (5250, 3959072), (5425, 3831360), (5460, 3806800), (5600, 3711630), (5642, 3684000), (5824, 3568875), (5952, 3492125), (6000, 3464188), (6045, 3438400), (6140, 3385200), (6200, 3352440), (6240, 3330950), (6447, 3224000), (6448, 3223500), (6500, 3197712), (6510, 3192800), (6720, 3093025), (6825, 3045440), (6944, 2993250), (7000, 2969304), (7280, 2855100), (7368, 2821000), (7440, 2793700), (7675, 2708160), (7750, 2681952), (7800, 2664760), (7982, 2604000), (8000, 2598141), (8060, 2578800), (8400, 2474420), (8463, 2456000), (8596, 2418000), (8680, 2394600), (8736, 2379250), (9100, 2284080), (9210, 2256800), (9300, 2234960), (9517, 2184000), (9672, 2149000), (9750, 2131808), (9824, 2115750), (9920, 2095275), (10075, 2063040), (10400, 1998570), (10416, 1995500), (10500, 1979536), (10745, 1934400), (10850, 1915680), (10920, 1903400), (11200, 1855815), (11284, 1842000), (11375, 1827264), (11625, 1787968), (11973, 1736000), (12000, 1732094), (12090, 1719200), (12280, 1692600), (12400, 1676220), (12480, 1665475), (12894, 1612000), (12896, 1611750), (13000, 1598856), (13020, 1596400), (13650, 1522720), (13888, 1496625), (14000, 1484652), (14105, 1473600), (14560, 1427550), (14736, 1410500), (14880, 1396850), (15350, 1354080), (15500, 1340976), (15600, 1332380), (15964, 1302000), (16120, 1289400), (16275, 1277120), (16800, 1237210), (16926, 1228000), (17192, 1209000), (17360, 1197300), (17472, 1189625), (18200, 1142040), (18420, 1128400), (18600, 1117480), (19034, 1092000), (19344, 1074500), (19500, 1065904), (19648, 1057875), (19955, 1041600), (20150, 1031520), (20800, 999285), (20832, 997750), (21000, 989768), (21490, 967200), (21700, 957840), (21840, 951700), (22568, 921000), (22750, 913632), (23025, 902720), (23250, 893984), (23946, 868000), (24000, 866047), (24180, 859600), (24560, 846300), (24800, 838110), (25788, 806000), (25792, 805875), (26000, 799428), (26040, 798200), (27125, 766272), (27300, 761360), (27937, 744000), (28000, 742326), (28210, 736800), (28551, 728000), (29120, 713775), (29472, 705250), (29760, 698425), (30225, 687680), (30700, 677040), (31000, 670488), (31200, 666190), (31928, 651000), (32235, 644800), (32240, 644700), (32550, 638560), (33600, 618605), (33852, 614000), (34125, 609088), (34384, 604500), (34720, 598650), (36400, 571020), (36840, 564200), (37200, 558740), (38068, 546000), (38375, 541632), (38688, 537250), (39000, 532952), (39910, 520800), (40300, 515760), (41664, 498875), (42000, 494884), (42315, 491200), (42980, 483600), (43400, 478920), (43680, 475850), (45136, 460500), (45500, 456816), (46050, 451360), (46500, 446992), (47585, 436800), (47892, 434000), (48360, 429800), (49120, 423150), (49600, 419055), (50375, 412608), (51576, 403000), (52000, 399714), (52080, 399100), (53725, 386880), (54250, 383136), (54600, 380680), (55874, 372000), (56000, 371163), (56420, 368400), (57102, 364000), (58944, 352625), (59865, 347200), (60450, 343840), (61400, 338520), (62000, 335244), (62400, 333095), (63856, 325500), (64470, 322400), (64480, 322350), (65100, 319280), (66619, 312000), (67704, 307000), (68250, 304544), (68768, 302250), (69440, 299325), (70525, 294720), (72800, 285510), (73680, 282100), (74400, 279370), (76136, 273000), (76750, 270816), (77376, 268625), (78000, 266476), (79820, 260400), (80600, 257880), (81375, 255424), (83811, 248000), (84000, 247442), (84630, 245600), (85960, 241800), (86800, 239460), (87360, 237925), (90272, 230250), (91000, 228408), (92100, 225680), (93000, 223496), (95170, 218400), (95784, 217000), (96720, 214900), (98240, 211575), (99775, 208320), (100750, 206304), (103152, 201500), (104000, 199857), (104160, 199550), (107450, 193440), (108500, 191568), (109200, 190340), (111748, 186000), (112840, 184200), (114204, 182000), (115125, 180544), (119730, 173600), (120900, 171920), (122800, 169260), (123721, 168000), (124000, 167622), (127712, 162750), (128940, 161200), (128960, 161175), (130200, 159640), (133238, 156000), (135408, 153500), (136500, 152272), (137536, 151125), (139685, 148800), (141050, 147360), (142755, 145600)]