20640614400

素因数分解:

$2^{11}\times 3^6\times 5^2\times 7^1\times {\mathrm{79}}^1$

素因数の和:136

約数の個数: 1008

約数和(自身を含む): 88800566400

約数和(自身を除く): 68159952000

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, 45, 48, 50, 54, 56, 60, 63, 64, 70, 72, 75, 79, 80, 81, 84, 90, 96, 100, 105, 108, 112, 120, 126, 128, 135, 140, 144, 150, 158, 160, 162, 168, 175, 180, 189, 192, 200, 210, 216, 224, 225, 237, 240, 243, 252, 256, 270, 280, 288, 300, 315, 316, 320, 324, 336, 350, 360, 378, 384, 395, 400, 405, 420, 432, 448, 450, 474, 480, 486, 504, 512, 525, 540, 553, 560, 567, 576, 600, 630, 632, 640, 648, 672, 675, 700, 711, 720, 729, 756, 768, 790, 800, 810, 840, 864, 896, 900, 945, 948, 960, 972, 1008, 1024, 1050, 1080, 1106, 1120, 1134, 1152, 1185, 1200, 1215, 1260, 1264, 1280, 1296, 1344, 1350, 1400, 1422, 1440, 1458, 1512, 1536, 1575, 1580, 1600, 1620, 1659, 1680, 1701, 1728, 1792, 1800, 1890, 1896, 1920, 1944, 1975, 2016, 2025, 2048, 2100, 2133, 2160, 2212, 2240, 2268, 2304, 2370, 2400, 2430, 2520, 2528, 2560, 2592, 2688, 2700, 2765, 2800, 2835, 2844, 2880, 2916, 3024, 3072, 3150, 3160, 3200, 3240, 3318, 3360, 3402, 3456, 3555, 3584, 3600, 3645, 3780, 3792, 3840, 3888, 3950, 4032, 4050, 4200, 4266, 4320, 4424, 4480, 4536, 4608, 4725, 4740, 4800, 4860, 4977, 5040, 5056, 5103, 5120, 5184, 5376, 5400, 5530, 5600, 5670, 5688, 5760, 5832, 5925, 6048, 6075, 6144, 6300, 6320, 6399, 6400, 6480, 6636, 6720, 6804, 6912, 7110, 7168, 7200, 7290, 7560, 7584, 7680, 7776, 7900, 8064, 8100, 8295, 8400, 8505, 8532, 8640, 8848, 8960, 9072, 9216, 9450, 9480, 9600, 9720, 9954, 10080, 10112, 10206, 10240, 10368, 10665, 10752, 10800, 11060, 11200, 11340, 11376, 11520, 11664, 11850, 12096, 12150, 12600, 12640, 12798, 12800, 12960, 13272, 13440, 13608, 13824, 13825, 14175, 14220, 14336, 14400, 14580, 14931, 15120, 15168, 15360, 15552, 15800, 16128, 16200, 16590, 16800, 17010, 17064, 17280, 17696, 17775, 17920, 18144, 18225, 18432, 18900, 18960, 19197, 19200, 19440, 19908, 20160, 20224, 20412, 20736, 21330, 21504, 21600, 22120, 22400, 22680, 22752, 23040, 23328, 23700, 24192, 24300, 24885, 25200, 25280, 25515, 25596, 25600, 25920, 26544, 26880, 27216, 27648, 27650, 28350, 28440, 28800, 29160, 29862, 30240, 30336, 30720, 31104, 31600, 31995, 32256, 32400, 33180, 33600, 34020, 34128, 34560, 35392, 35550, 35840, 36288, 36450, 37800, 37920, 38394, 38400, 38880, 39816, 40320, 40448, 40824, 41472, 41475, 42525, 42660, 43008, 43200, 44240, 44793, 44800, 45360, 45504, 46080, 46656, 47400, 48384, 48600, 49770, 50400, 50560, 51030, 51192, 51200, 51840, 53088, 53325, 53760, 54432, 55296, 55300, 56700, 56880, 57591, 57600, 58320, 59724, 60480, 60672, 62208, 63200, 63990, 64512, 64800, 66360, 67200, 68040, 68256, 69120, 70784, 71100, 71680, 72576, 72900, 74655, 75600, 75840, 76788, 76800, 77760, 79632, 80640, 80896, 81648, 82944, 82950, 85050, 85320, 86400, 88480, 89586, 89600, 90720, 91008, 92160, 93312, 94800, 95985, 96768, 97200, 99540, 100800, 101120, 102060, 102384, 103680, 106176, 106650, 107520, 108864, 110600, 113400, 113760, 115182, 115200, 116640, 119448, 120960, 121344, 124416, 124425, 126400, 127575, 127980, 129024, 129600, 132720, 134379, 134400, 136080, 136512, 138240, 141568, 142200, 145152, 145800, 149310, 151200, 151680, 153576, 153600, 155520, 159264, 159975, 161280, 161792, 163296, 165888, 165900, 170100, 170640, 172800, 176960, 179172, 179200, 181440, 182016, 186624, 189600, 191970, 193536, 194400, 199080, 201600, 202240, 204120, 204768, 207360, 212352, 213300, 215040, 217728, 221200, 223965, 226800, 227520, 230364, 230400, 233280, 238896, 241920, 242688, 248832, 248850, 252800, 255150, 255960, 259200, 265440, 268758, 268800, 272160, 273024, 276480, 283136, 284400, 287955, 290304, 291600, 298620, 302400, 303360, 307152, 311040, 318528, 319950, 322560, 326592, 331800, 340200, 341280, 345600, 353920, 358344, 358400, 362880, 364032, 373248, 373275, 379200, 383940, 387072, 388800, 398160, 403137, 403200, 404480, 408240, 409536, 414720, 424704, 426600, 435456, 442400, 447930, 453600, 455040, 460728, 460800, 466560, 477792, 479925, 483840, 485376, 497664, 497700, 505600, 510300, 511920, 518400, 530880, 537516, 537600, 544320, 546048, 566272, 568800, 575910, 580608, 583200, 597240, 604800, 606720, 614304, 622080, 637056, 639900, 645120, 653184, 663600, 671895, 680400, 682560, 691200, 707840, 716688, 725760, 728064, 746496, 746550, 758400, 767880, 777600, 796320, 806274, 806400, 808960, 816480, 819072, 829440, 849408, 853200, 870912, 884800, 895860, 907200, 910080, 921456, 933120, 955584, 959850, 967680, 995400, 1011200, 1020600, 1023840, 1036800, 1061760, 1075032, 1075200, 1088640, 1092096, 1119825, 1132544, 1137600, 1151820, 1161216, 1166400, 1194480, 1209600, 1213440, 1228608, 1244160, 1274112, 1279800, 1306368, 1327200, 1343790, 1360800, 1365120, 1382400, 1415680, 1433376, 1439775, 1451520, 1456128, 1492992, 1493100, 1516800, 1535760, 1555200, 1592640, 1612548, 1612800, 1632960, 1638144, 1698816, 1706400, 1741824, 1769600, 1791720, 1814400, 1820160, 1842912, 1866240, 1911168, 1919700, 1935360, 1990800, 2015685, 2022400, 2041200, 2047680, 2073600, 2123520, 2150064, 2177280, 2184192, 2239650, 2275200, 2303640, 2332800, 2388960, 2419200, 2426880, 2457216, 2488320, 2548224, 2559600, 2612736, 2654400, 2687580, 2721600, 2730240, 2831360, 2866752, 2879550, 2903040, 2986200, 3033600, 3071520, 3110400, 3185280, 3225096, 3225600, 3265920, 3276288, 3359475, 3397632, 3412800, 3483648, 3539200, 3583440, 3628800, 3640320, 3685824, 3732480, 3822336, 3839400, 3981600, 4031370, 4044800, 4082400, 4095360, 4147200, 4247040, 4300128, 4354560, 4368384, 4479300, 4550400, 4607280, 4665600, 4777920, 4838400, 4914432, 5096448, 5119200, 5225472, 5308800, 5375160, 5443200, 5460480, 5662720, 5733504, 5759100, 5806080, 5972400, 6067200, 6143040, 6220800, 6370560, 6450192, 6531840, 6552576, 6718950, 6825600, 7078400, 7166880, 7257600, 7280640, 7371648, 7464960, 7644672, 7678800, 7963200, 8062740, 8164800, 8190720, 8494080, 8600256, 8709120, 8958600, 9100800, 9214560, 9331200, 9555840, 9676800, 9828864, 10078425, 10192896, 10238400, 10450944, 10617600, 10750320, 10886400, 10920960, 11467008, 11518200, 11944800, 12134400, 12286080, 12441600, 12741120, 12900384, 13063680, 13105152, 13437900, 13651200, 14156800, 14333760, 14515200, 14743296, 15289344, 15357600, 15926400, 16125480, 16329600, 16381440, 16988160, 17200512, 17418240, 17917200, 18201600, 18429120, 18662400, 19111680, 19657728, 20156850, 20476800, 21235200, 21500640, 21772800, 21841920, 22934016, 23036400, 23889600, 24572160, 25482240, 25800768, 26127360, 26875800, 27302400, 28313600, 28667520, 29030400, 29486592, 30578688, 30715200, 31852800, 32250960, 32659200, 32762880, 34401024, 35834400, 36403200, 36858240, 37324800, 38223360, 39315456, 40313700, 40953600, 42470400, 43001280, 43545600, 45868032, 46072800, 47779200, 49144320, 50964480, 51601536, 52254720, 53751600, 54604800, 57335040, 58973184, 61430400, 63705600, 64501920, 65318400, 65525760, 68802048, 71668800, 73716480, 76446720, 80627400, 81907200, 84940800, 86002560, 87091200, 91736064, 92145600, 95558400, 98288640, 103203072, 107503200, 109209600, 114670080, 117946368, 122860800, 127411200, 129003840, 130636800, 137604096, 143337600, 147432960, 152893440, 161254800, 163814400, 172005120, 184291200, 191116800, 196577280, 206406144, 215006400, 229340160, 245721600, 254822400, 258007680, 261273600, 275208192, 286675200, 294865920, 322509600, 327628800, 344010240, 368582400, 382233600, 412812288, 430012800, 458680320, 491443200, 516015360, 573350400, 589731840, 645019200, 688020480, 737164800, 764467200, 825624576, 860025600, 982886400, 1032030720, 1146700800, 1290038400, 1376040960, 1474329600, 1720051200, 2064061440, 2293401600, 2580076800, 2948659200, 3440102400, 4128122880, 5160153600, 6880204800, 10320307200, 20640614400]

約数ペア:

[(1, 20640614400), (2, 10320307200), (3, 6880204800), (4, 5160153600), (5, 4128122880), (6, 3440102400), (7, 2948659200), (8, 2580076800), (9, 2293401600), (10, 2064061440), (12, 1720051200), (14, 1474329600), (15, 1376040960), (16, 1290038400), (18, 1146700800), (20, 1032030720), (21, 982886400), (24, 860025600), (25, 825624576), (27, 764467200), (28, 737164800), (30, 688020480), (32, 645019200), (35, 589731840), (36, 573350400), (40, 516015360), (42, 491443200), (45, 458680320), (48, 430012800), (50, 412812288), (54, 382233600), (56, 368582400), (60, 344010240), (63, 327628800), (64, 322509600), (70, 294865920), (72, 286675200), (75, 275208192), (79, 261273600), (80, 258007680), (81, 254822400), (84, 245721600), (90, 229340160), (96, 215006400), (100, 206406144), (105, 196577280), (108, 191116800), (112, 184291200), (120, 172005120), (126, 163814400), (128, 161254800), (135, 152893440), (140, 147432960), (144, 143337600), (150, 137604096), (158, 130636800), (160, 129003840), (162, 127411200), (168, 122860800), (175, 117946368), (180, 114670080), (189, 109209600), (192, 107503200), (200, 103203072), (210, 98288640), (216, 95558400), (224, 92145600), (225, 91736064), (237, 87091200), (240, 86002560), (243, 84940800), (252, 81907200), (256, 80627400), (270, 76446720), (280, 73716480), (288, 71668800), (300, 68802048), (315, 65525760), (316, 65318400), (320, 64501920), (324, 63705600), (336, 61430400), (350, 58973184), (360, 57335040), (378, 54604800), (384, 53751600), (395, 52254720), (400, 51601536), (405, 50964480), (420, 49144320), (432, 47779200), (448, 46072800), (450, 45868032), (474, 43545600), (480, 43001280), (486, 42470400), (504, 40953600), (512, 40313700), (525, 39315456), (540, 38223360), (553, 37324800), (560, 36858240), (567, 36403200), (576, 35834400), (600, 34401024), (630, 32762880), (632, 32659200), (640, 32250960), (648, 31852800), (672, 30715200), (675, 30578688), (700, 29486592), (711, 29030400), (720, 28667520), (729, 28313600), (756, 27302400), (768, 26875800), (790, 26127360), (800, 25800768), (810, 25482240), (840, 24572160), (864, 23889600), (896, 23036400), (900, 22934016), (945, 21841920), (948, 21772800), (960, 21500640), (972, 21235200), (1008, 20476800), (1024, 20156850), (1050, 19657728), (1080, 19111680), (1106, 18662400), (1120, 18429120), (1134, 18201600), (1152, 17917200), (1185, 17418240), (1200, 17200512), (1215, 16988160), (1260, 16381440), (1264, 16329600), (1280, 16125480), (1296, 15926400), (1344, 15357600), (1350, 15289344), (1400, 14743296), (1422, 14515200), (1440, 14333760), (1458, 14156800), (1512, 13651200), (1536, 13437900), (1575, 13105152), (1580, 13063680), (1600, 12900384), (1620, 12741120), (1659, 12441600), (1680, 12286080), (1701, 12134400), (1728, 11944800), (1792, 11518200), (1800, 11467008), (1890, 10920960), (1896, 10886400), (1920, 10750320), (1944, 10617600), (1975, 10450944), (2016, 10238400), (2025, 10192896), (2048, 10078425), (2100, 9828864), (2133, 9676800), (2160, 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(5400, 3822336), (5530, 3732480), (5600, 3685824), (5670, 3640320), (5688, 3628800), (5760, 3583440), (5832, 3539200), (5925, 3483648), (6048, 3412800), (6075, 3397632), (6144, 3359475), (6300, 3276288), (6320, 3265920), (6399, 3225600), (6400, 3225096), (6480, 3185280), (6636, 3110400), (6720, 3071520), (6804, 3033600), (6912, 2986200), (7110, 2903040), (7168, 2879550), (7200, 2866752), (7290, 2831360), (7560, 2730240), (7584, 2721600), (7680, 2687580), (7776, 2654400), (7900, 2612736), (8064, 2559600), (8100, 2548224), (8295, 2488320), (8400, 2457216), (8505, 2426880), (8532, 2419200), (8640, 2388960), (8848, 2332800), (8960, 2303640), (9072, 2275200), (9216, 2239650), (9450, 2184192), (9480, 2177280), (9600, 2150064), (9720, 2123520), (9954, 2073600), (10080, 2047680), (10112, 2041200), (10206, 2022400), (10240, 2015685), (10368, 1990800), (10665, 1935360), (10752, 1919700), (10800, 1911168), (11060, 1866240), (11200, 1842912), (11340, 1820160), (11376, 1814400), (11520, 1791720), (11664, 1769600), (11850, 1741824), (12096, 1706400), (12150, 1698816), (12600, 1638144), (12640, 1632960), (12798, 1612800), (12800, 1612548), (12960, 1592640), (13272, 1555200), (13440, 1535760), (13608, 1516800), (13824, 1493100), (13825, 1492992), (14175, 1456128), (14220, 1451520), (14336, 1439775), (14400, 1433376), (14580, 1415680), (14931, 1382400), (15120, 1365120), (15168, 1360800), (15360, 1343790), (15552, 1327200), (15800, 1306368), (16128, 1279800), (16200, 1274112), (16590, 1244160), (16800, 1228608), (17010, 1213440), (17064, 1209600), (17280, 1194480), (17696, 1166400), (17775, 1161216), (17920, 1151820), (18144, 1137600), (18225, 1132544), (18432, 1119825), (18900, 1092096), (18960, 1088640), (19197, 1075200), (19200, 1075032), (19440, 1061760), (19908, 1036800), (20160, 1023840), (20224, 1020600), (20412, 1011200), (20736, 995400), (21330, 967680), (21504, 959850), (21600, 955584), (22120, 933120), (22400, 921456), (22680, 910080), (22752, 907200), (23040, 895860), (23328, 884800), (23700, 870912), (24192, 853200), (24300, 849408), (24885, 829440), (25200, 819072), (25280, 816480), (25515, 808960), (25596, 806400), (25600, 806274), (25920, 796320), (26544, 777600), (26880, 767880), (27216, 758400), (27648, 746550), (27650, 746496), (28350, 728064), (28440, 725760), (28800, 716688), (29160, 707840), (29862, 691200), (30240, 682560), (30336, 680400), (30720, 671895), (31104, 663600), (31600, 653184), (31995, 645120), (32256, 639900), (32400, 637056), (33180, 622080), (33600, 614304), (34020, 606720), (34128, 604800), (34560, 597240), (35392, 583200), (35550, 580608), (35840, 575910), (36288, 568800), (36450, 566272), (37800, 546048), (37920, 544320), (38394, 537600), (38400, 537516), (38880, 530880), (39816, 518400), (40320, 511920), (40448, 510300), (40824, 505600), (41472, 497700), (41475, 497664), (42525, 485376), (42660, 483840), (43008, 479925), (43200, 477792), (44240, 466560), (44793, 460800), (44800, 460728), (45360, 455040), (45504, 453600), (46080, 447930), (46656, 442400), (47400, 435456), (48384, 426600), (48600, 424704), (49770, 414720), (50400, 409536), (50560, 408240), (51030, 404480), (51192, 403200), (51200, 403137), (51840, 398160), (53088, 388800), (53325, 387072), (53760, 383940), (54432, 379200), (55296, 373275), (55300, 373248), (56700, 364032), (56880, 362880), (57591, 358400), (57600, 358344), (58320, 353920), (59724, 345600), (60480, 341280), (60672, 340200), (62208, 331800), (63200, 326592), (63990, 322560), (64512, 319950), (64800, 318528), (66360, 311040), (67200, 307152), (68040, 303360), (68256, 302400), (69120, 298620), (70784, 291600), (71100, 290304), (71680, 287955), (72576, 284400), (72900, 283136), (74655, 276480), (75600, 273024), (75840, 272160), (76788, 268800), (76800, 268758), (77760, 265440), (79632, 259200), (80640, 255960), (80896, 255150), (81648, 252800), (82944, 248850), (82950, 248832), (85050, 242688), (85320, 241920), (86400, 238896), (88480, 233280), (89586, 230400), (89600, 230364), (90720, 227520), (91008, 226800), (92160, 223965), (93312, 221200), (94800, 217728), (95985, 215040), (96768, 213300), (97200, 212352), (99540, 207360), (100800, 204768), (101120, 204120), (102060, 202240), (102384, 201600), (103680, 199080), (106176, 194400), (106650, 193536), (107520, 191970), (108864, 189600), (110600, 186624), (113400, 182016), (113760, 181440), (115182, 179200), (115200, 179172), (116640, 176960), (119448, 172800), (120960, 170640), (121344, 170100), (124416, 165900), (124425, 165888), (126400, 163296), (127575, 161792), (127980, 161280), (129024, 159975), (129600, 159264), (132720, 155520), (134379, 153600), (134400, 153576), (136080, 151680), (136512, 151200), (138240, 149310), (141568, 145800), (142200, 145152)]