20640384000

素因数分解:

$2^{10}\times 3^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:124

約数の個数: 1056

約数和(自身を含む): 83690530560

約数和(自身を除く): 63050146560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 23, 24, 25, 30, 32, 36, 38, 40, 41, 45, 46, 48, 50, 57, 60, 64, 69, 72, 75, 76, 80, 82, 90, 92, 95, 96, 100, 114, 115, 120, 123, 125, 128, 138, 144, 150, 152, 160, 164, 171, 180, 184, 190, 192, 200, 205, 207, 225, 228, 230, 240, 246, 250, 256, 276, 285, 288, 300, 304, 320, 328, 342, 345, 360, 368, 369, 375, 380, 384, 400, 410, 414, 437, 450, 456, 460, 475, 480, 492, 500, 512, 552, 570, 575, 576, 600, 608, 615, 640, 656, 684, 690, 720, 736, 738, 750, 760, 768, 779, 800, 820, 828, 855, 874, 900, 912, 920, 943, 950, 960, 984, 1000, 1024, 1025, 1035, 1104, 1125, 1140, 1150, 1152, 1200, 1216, 1230, 1280, 1311, 1312, 1368, 1380, 1425, 1440, 1472, 1476, 1500, 1520, 1536, 1558, 1600, 1640, 1656, 1710, 1725, 1748, 1800, 1824, 1840, 1845, 1886, 1900, 1920, 1968, 2000, 2050, 2070, 2185, 2208, 2250, 2280, 2300, 2304, 2337, 2375, 2400, 2432, 2460, 2560, 2622, 2624, 2736, 2760, 2829, 2850, 2875, 2880, 2944, 2952, 3000, 3040, 3072, 3075, 3116, 3200, 3280, 3312, 3420, 3450, 3496, 3600, 3648, 3680, 3690, 3772, 3800, 3840, 3895, 3933, 3936, 4000, 4100, 4140, 4275, 4370, 4416, 4500, 4560, 4600, 4608, 4674, 4715, 4750, 4800, 4864, 4920, 5120, 5125, 5175, 5244, 5248, 5472, 5520, 5658, 5700, 5750, 5760, 5888, 5904, 6000, 6080, 6150, 6232, 6400, 6555, 6560, 6624, 6840, 6900, 6992, 7011, 7125, 7200, 7296, 7360, 7380, 7544, 7600, 7680, 7790, 7866, 7872, 8000, 8200, 8280, 8487, 8550, 8625, 8740, 8832, 9000, 9120, 9200, 9216, 9225, 9348, 9430, 9500, 9600, 9728, 9840, 10250, 10350, 10488, 10496, 10925, 10944, 11040, 11316, 11400, 11500, 11520, 11685, 11776, 11808, 12000, 12160, 12300, 12464, 12800, 13110, 13120, 13248, 13680, 13800, 13984, 14022, 14145, 14250, 14400, 14592, 14720, 14760, 15088, 15200, 15360, 15375, 15580, 15732, 15744, 16000, 16400, 16560, 16974, 17100, 17250, 17480, 17664, 17917, 18000, 18240, 18400, 18450, 18696, 18860, 19000, 19200, 19456, 19475, 19665, 19680, 20500, 20700, 20976, 20992, 21375, 21850, 21888, 22080, 22632, 22800, 23000, 23040, 23370, 23552, 23575, 23616, 24000, 24320, 24600, 24928, 25600, 25875, 26220, 26240, 26496, 27360, 27600, 27968, 28044, 28290, 28500, 28800, 29184, 29440, 29520, 30176, 30400, 30750, 31160, 31464, 31488, 32000, 32775, 32800, 33120, 33948, 34200, 34500, 34960, 35055, 35328, 35834, 36000, 36480, 36800, 36900, 37392, 37720, 38000, 38400, 38950, 39330, 39360, 41000, 41400, 41952, 41984, 42435, 42750, 43700, 43776, 44160, 45264, 45600, 46000, 46080, 46125, 46740, 47150, 47232, 48000, 48640, 49200, 49856, 51750, 52440, 52480, 52992, 53751, 54625, 54720, 55200, 55936, 56088, 56580, 57000, 57600, 58368, 58425, 58880, 59040, 60352, 60800, 61500, 62320, 62928, 62976, 64000, 65550, 65600, 66240, 67896, 68400, 69000, 69920, 70110, 70656, 70725, 71668, 72000, 72960, 73600, 73800, 74784, 75440, 76000, 76800, 77900, 78660, 78720, 82000, 82800, 83904, 84870, 85500, 87400, 87552, 88320, 89585, 90528, 91200, 92000, 92250, 93480, 94300, 94464, 96000, 97280, 97375, 98325, 98400, 99712, 103500, 104880, 104960, 105984, 107502, 109250, 109440, 110400, 111872, 112176, 113160, 114000, 115200, 116850, 117760, 117875, 118080, 120704, 121600, 123000, 124640, 125856, 125952, 128000, 131100, 131200, 132480, 135792, 136800, 138000, 139840, 140220, 141450, 143336, 144000, 145920, 147200, 147600, 149568, 150880, 152000, 155800, 157320, 157440, 161253, 163875, 164000, 165600, 167808, 169740, 171000, 174800, 175104, 175275, 176640, 179170, 181056, 182400, 184000, 184500, 186960, 188600, 188928, 192000, 194750, 196650, 196800, 199424, 207000, 209760, 209920, 211968, 212175, 215004, 218500, 218880, 220800, 223744, 224352, 226320, 228000, 230400, 233700, 235750, 236160, 241408, 243200, 246000, 249280, 251712, 262200, 262400, 264960, 268755, 271584, 273600, 276000, 279680, 280440, 282900, 286672, 288000, 291840, 292125, 294400, 295200, 299136, 301760, 304000, 311600, 314640, 314880, 322506, 327750, 328000, 331200, 335616, 339480, 342000, 349600, 350550, 353280, 353625, 358340, 362112, 364800, 368000, 369000, 373920, 377200, 377856, 384000, 389500, 393300, 393600, 398848, 414000, 419520, 424350, 430008, 437000, 437760, 441600, 447488, 447925, 448704, 452640, 456000, 467400, 471500, 472320, 482816, 486400, 491625, 492000, 498560, 503424, 524400, 524800, 529920, 537510, 543168, 547200, 552000, 559360, 560880, 565800, 573344, 576000, 584250, 588800, 590400, 598272, 603520, 608000, 623200, 629280, 629760, 645012, 655500, 656000, 662400, 671232, 678960, 684000, 699200, 701100, 707250, 716680, 724224, 729600, 736000, 738000, 747840, 754400, 779000, 786600, 787200, 797696, 806265, 828000, 839040, 848700, 860016, 874000, 875520, 876375, 883200, 895850, 897408, 905280, 912000, 934800, 943000, 944640, 965632, 983250, 984000, 997120, 1006848, 1048800, 1049600, 1059840, 1060875, 1075020, 1086336, 1094400, 1104000, 1118720, 1121760, 1131600, 1146688, 1152000, 1168500, 1180800, 1196544, 1207040, 1216000, 1246400, 1258560, 1290024, 1311000, 1312000, 1324800, 1342464, 1343775, 1357920, 1368000, 1398400, 1402200, 1414500, 1433360, 1448448, 1459200, 1472000, 1476000, 1495680, 1508800, 1558000, 1573200, 1574400, 1612530, 1656000, 1678080, 1697400, 1720032, 1748000, 1752750, 1766400, 1791700, 1794816, 1810560, 1824000, 1869600, 1886000, 1889280, 1966500, 1968000, 1994240, 2013696, 2097600, 2121750, 2150040, 2172672, 2188800, 2208000, 2237440, 2239625, 2243520, 2263200, 2293376, 2337000, 2361600, 2393088, 2414080, 2432000, 2492800, 2517120, 2580048, 2622000, 2624000, 2649600, 2687550, 2715840, 2736000, 2796800, 2804400, 2829000, 2866720, 2896896, 2944000, 2952000, 2991360, 3017600, 3116000, 3146400, 3148800, 3225060, 3312000, 3356160, 3394800, 3440064, 3496000, 3505500, 3583400, 3589632, 3621120, 3648000, 3739200, 3772000, 3933000, 3936000, 3988480, 4027392, 4031325, 4195200, 4243500, 4300080, 4345344, 4377600, 4416000, 4479250, 4487040, 4526400, 4586752, 4674000, 4723200, 4828160, 4985600, 5034240, 5160096, 5244000, 5248000, 5299200, 5375100, 5431680, 5472000, 5593600, 5608800, 5658000, 5733440, 5904000, 5982720, 6035200, 6232000, 6292800, 6450120, 6624000, 6712320, 6718875, 6789600, 6880128, 6992000, 7011000, 7166800, 7179264, 7242240, 7296000, 7478400, 7544000, 7866000, 7872000, 8062650, 8390400, 8487000, 8600160, 8690688, 8832000, 8958500, 8974080, 9052800, 9173504, 9348000, 9446400, 9971200, 10068480, 10320192, 10488000, 10750200, 10863360, 10944000, 11187200, 11217600, 11316000, 11466880, 11808000, 11965440, 12070400, 12464000, 12585600, 12900240, 13248000, 13437750, 13579200, 13760256, 13984000, 14022000, 14333600, 14484480, 14956800, 15088000, 15732000, 15744000, 16125300, 16780800, 16974000, 17200320, 17917000, 17948160, 18105600, 18347008, 18696000, 19942400, 20136960, 20156625, 20640384, 20976000, 21500400, 21726720, 21888000, 22435200, 22632000, 22933760, 23616000, 24140800, 24928000, 25171200, 25800480, 26496000, 26875500, 27158400, 27520512, 27968000, 28044000, 28667200, 29913600, 30176000, 31464000, 32250600, 33561600, 33948000, 34400640, 35834000, 35896320, 36211200, 37392000, 40313250, 41280768, 41952000, 43000800, 43453440, 44870400, 45264000, 45867520, 47232000, 49856000, 50342400, 51600960, 53751000, 54316800, 55041024, 55936000, 56088000, 57334400, 59827200, 60352000, 62928000, 64501200, 67896000, 68801280, 71668000, 72422400, 74784000, 80626500, 82561536, 83904000, 86001600, 89740800, 90528000, 91735040, 99712000, 100684800, 103201920, 107502000, 108633600, 112176000, 114668800, 120704000, 125856000, 129002400, 135792000, 137602560, 143336000, 149568000, 161253000, 165123072, 167808000, 172003200, 179481600, 181056000, 206403840, 215004000, 217267200, 224352000, 229337600, 251712000, 258004800, 271584000, 275205120, 286672000, 299136000, 322506000, 344006400, 362112000, 412807680, 430008000, 448704000, 458675200, 503424000, 516009600, 543168000, 573344000, 645012000, 688012800, 825615360, 860016000, 897408000, 1032019200, 1086336000, 1146688000, 1290024000, 1376025600, 1720032000, 2064038400, 2293376000, 2580048000, 3440064000, 4128076800, 5160096000, 6880128000, 10320192000, 20640384000]

約数ペア:

[(1, 20640384000), (2, 10320192000), (3, 6880128000), (4, 5160096000), (5, 4128076800), (6, 3440064000), (8, 2580048000), (9, 2293376000), (10, 2064038400), (12, 1720032000), (15, 1376025600), (16, 1290024000), (18, 1146688000), (19, 1086336000), (20, 1032019200), (23, 897408000), (24, 860016000), (25, 825615360), (30, 688012800), (32, 645012000), (36, 573344000), (38, 543168000), (40, 516009600), (41, 503424000), (45, 458675200), (46, 448704000), (48, 430008000), (50, 412807680), (57, 362112000), (60, 344006400), (64, 322506000), (69, 299136000), (72, 286672000), (75, 275205120), (76, 271584000), (80, 258004800), (82, 251712000), (90, 229337600), (92, 224352000), (95, 217267200), (96, 215004000), (100, 206403840), (114, 181056000), (115, 179481600), (120, 172003200), (123, 167808000), (125, 165123072), (128, 161253000), (138, 149568000), (144, 143336000), (150, 137602560), (152, 135792000), (160, 129002400), (164, 125856000), (171, 120704000), (180, 114668800), (184, 112176000), (190, 108633600), (192, 107502000), (200, 103201920), (205, 100684800), (207, 99712000), (225, 91735040), (228, 90528000), (230, 89740800), (240, 86001600), (246, 83904000), (250, 82561536), (256, 80626500), (276, 74784000), (285, 72422400), (288, 71668000), (300, 68801280), (304, 67896000), (320, 64501200), (328, 62928000), (342, 60352000), (345, 59827200), (360, 57334400), (368, 56088000), (369, 55936000), (375, 55041024), (380, 54316800), (384, 53751000), (400, 51600960), (410, 50342400), (414, 49856000), (437, 47232000), (450, 45867520), (456, 45264000), (460, 44870400), (475, 43453440), (480, 43000800), (492, 41952000), (500, 41280768), (512, 40313250), (552, 37392000), (570, 36211200), (575, 35896320), (576, 35834000), (600, 34400640), (608, 33948000), (615, 33561600), (640, 32250600), (656, 31464000), (684, 30176000), (690, 29913600), (720, 28667200), (736, 28044000), (738, 27968000), (750, 27520512), (760, 27158400), (768, 26875500), (779, 26496000), (800, 25800480), (820, 25171200), (828, 24928000), (855, 24140800), (874, 23616000), (900, 22933760), (912, 22632000), (920, 22435200), (943, 21888000), (950, 21726720), (960, 21500400), (984, 20976000), (1000, 20640384), (1024, 20156625), (1025, 20136960), (1035, 19942400), (1104, 18696000), (1125, 18347008), (1140, 18105600), (1150, 17948160), (1152, 17917000), (1200, 17200320), (1216, 16974000), (1230, 16780800), (1280, 16125300), (1311, 15744000), (1312, 15732000), (1368, 15088000), (1380, 14956800), (1425, 14484480), (1440, 14333600), (1472, 14022000), (1476, 13984000), (1500, 13760256), (1520, 13579200), (1536, 13437750), (1558, 13248000), (1600, 12900240), (1640, 12585600), (1656, 12464000), (1710, 12070400), (1725, 11965440), (1748, 11808000), (1800, 11466880), (1824, 11316000), (1840, 11217600), (1845, 11187200), (1886, 10944000), (1900, 10863360), (1920, 10750200), (1968, 10488000), (2000, 10320192), (2050, 10068480), (2070, 9971200), (2185, 9446400), (2208, 9348000), (2250, 9173504), (2280, 9052800), (2300, 8974080), (2304, 8958500), (2337, 8832000), (2375, 8690688), (2400, 8600160), (2432, 8487000), (2460, 8390400), (2560, 8062650), (2622, 7872000), (2624, 7866000), (2736, 7544000), (2760, 7478400), (2829, 7296000), (2850, 7242240), (2875, 7179264), (2880, 7166800), (2944, 7011000), (2952, 6992000), (3000, 6880128), (3040, 6789600), (3072, 6718875), (3075, 6712320), (3116, 6624000), (3200, 6450120), (3280, 6292800), (3312, 6232000), (3420, 6035200), (3450, 5982720), (3496, 5904000), (3600, 5733440), (3648, 5658000), (3680, 5608800), (3690, 5593600), (3772, 5472000), (3800, 5431680), (3840, 5375100), (3895, 5299200), (3933, 5248000), (3936, 5244000), (4000, 5160096), (4100, 5034240), (4140, 4985600), (4275, 4828160), (4370, 4723200), (4416, 4674000), (4500, 4586752), (4560, 4526400), (4600, 4487040), (4608, 4479250), (4674, 4416000), (4715, 4377600), (4750, 4345344), (4800, 4300080), (4864, 4243500), (4920, 4195200), (5120, 4031325), (5125, 4027392), (5175, 3988480), (5244, 3936000), (5248, 3933000), (5472, 3772000), (5520, 3739200), (5658, 3648000), (5700, 3621120), (5750, 3589632), (5760, 3583400), (5888, 3505500), (5904, 3496000), (6000, 3440064), (6080, 3394800), (6150, 3356160), (6232, 3312000), (6400, 3225060), (6555, 3148800), (6560, 3146400), (6624, 3116000), (6840, 3017600), (6900, 2991360), (6992, 2952000), (7011, 2944000), (7125, 2896896), (7200, 2866720), (7296, 2829000), (7360, 2804400), (7380, 2796800), (7544, 2736000), (7600, 2715840), (7680, 2687550), (7790, 2649600), (7866, 2624000), (7872, 2622000), (8000, 2580048), (8200, 2517120), (8280, 2492800), (8487, 2432000), (8550, 2414080), (8625, 2393088), (8740, 2361600), (8832, 2337000), (9000, 2293376), (9120, 2263200), (9200, 2243520), (9216, 2239625), (9225, 2237440), (9348, 2208000), (9430, 2188800), (9500, 2172672), (9600, 2150040), (9728, 2121750), (9840, 2097600), (10250, 2013696), (10350, 1994240), (10488, 1968000), (10496, 1966500), (10925, 1889280), (10944, 1886000), (11040, 1869600), (11316, 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(20992, 983250), (21375, 965632), (21850, 944640), (21888, 943000), (22080, 934800), (22632, 912000), (22800, 905280), (23000, 897408), (23040, 895850), (23370, 883200), (23552, 876375), (23575, 875520), (23616, 874000), (24000, 860016), (24320, 848700), (24600, 839040), (24928, 828000), (25600, 806265), (25875, 797696), (26220, 787200), (26240, 786600), (26496, 779000), (27360, 754400), (27600, 747840), (27968, 738000), (28044, 736000), (28290, 729600), (28500, 724224), (28800, 716680), (29184, 707250), (29440, 701100), (29520, 699200), (30176, 684000), (30400, 678960), (30750, 671232), (31160, 662400), (31464, 656000), (31488, 655500), (32000, 645012), (32775, 629760), (32800, 629280), (33120, 623200), (33948, 608000), (34200, 603520), (34500, 598272), (34960, 590400), (35055, 588800), (35328, 584250), (35834, 576000), (36000, 573344), (36480, 565800), (36800, 560880), (36900, 559360), (37392, 552000), (37720, 547200), (38000, 543168), (38400, 537510), (38950, 529920), (39330, 524800), (39360, 524400), (41000, 503424), (41400, 498560), (41952, 492000), (41984, 491625), (42435, 486400), (42750, 482816), (43700, 472320), (43776, 471500), (44160, 467400), (45264, 456000), (45600, 452640), (46000, 448704), (46080, 447925), (46125, 447488), (46740, 441600), (47150, 437760), (47232, 437000), (48000, 430008), (48640, 424350), (49200, 419520), (49856, 414000), (51750, 398848), (52440, 393600), (52480, 393300), (52992, 389500), (53751, 384000), (54625, 377856), (54720, 377200), (55200, 373920), (55936, 369000), (56088, 368000), (56580, 364800), (57000, 362112), (57600, 358340), (58368, 353625), (58425, 353280), (58880, 350550), (59040, 349600), (60352, 342000), (60800, 339480), (61500, 335616), (62320, 331200), (62928, 328000), (62976, 327750), (64000, 322506), (65550, 314880), (65600, 314640), (66240, 311600), (67896, 304000), (68400, 301760), (69000, 299136), (69920, 295200), (70110, 294400), (70656, 292125), (70725, 291840), (71668, 288000), (72000, 286672), (72960, 282900), (73600, 280440), (73800, 279680), (74784, 276000), (75440, 273600), (76000, 271584), (76800, 268755), (77900, 264960), (78660, 262400), (78720, 262200), (82000, 251712), (82800, 249280), (83904, 246000), (84870, 243200), (85500, 241408), (87400, 236160), (87552, 235750), (88320, 233700), (89585, 230400), (90528, 228000), (91200, 226320), (92000, 224352), (92250, 223744), (93480, 220800), (94300, 218880), (94464, 218500), (96000, 215004), (97280, 212175), (97375, 211968), (98325, 209920), (98400, 209760), (99712, 207000), (103500, 199424), (104880, 196800), (104960, 196650), (105984, 194750), (107502, 192000), (109250, 188928), (109440, 188600), (110400, 186960), (111872, 184500), (112176, 184000), (113160, 182400), (114000, 181056), (115200, 179170), (116850, 176640), (117760, 175275), (117875, 175104), (118080, 174800), (120704, 171000), (121600, 169740), (123000, 167808), (124640, 165600), (125856, 164000), (125952, 163875), (128000, 161253), (131100, 157440), (131200, 157320), (132480, 155800), (135792, 152000), (136800, 150880), (138000, 149568), (139840, 147600), (140220, 147200), (141450, 145920), (143336, 144000)]