20799918720

素因数分解:

$2^7\times 3^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2$

素因数の和:155

約数の個数: 960

約数和(自身を含む): 89715479040

約数和(自身を除く): 68915560320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 31, 32, 35, 36, 40, 42, 43, 45, 48, 54, 56, 60, 62, 63, 64, 70, 72, 80, 81, 84, 86, 90, 93, 96, 105, 108, 112, 120, 124, 126, 128, 129, 135, 140, 144, 155, 160, 162, 168, 172, 180, 186, 189, 192, 210, 215, 216, 217, 224, 240, 248, 252, 258, 270, 279, 280, 288, 301, 310, 315, 320, 324, 336, 344, 360, 372, 378, 384, 387, 405, 420, 430, 432, 434, 448, 465, 480, 496, 504, 516, 540, 558, 560, 567, 576, 602, 620, 630, 640, 645, 648, 651, 672, 688, 720, 744, 756, 774, 810, 837, 840, 860, 864, 868, 896, 903, 930, 945, 960, 992, 1008, 1032, 1080, 1085, 1116, 1120, 1134, 1152, 1161, 1204, 1240, 1260, 1290, 1296, 1302, 1333, 1344, 1376, 1395, 1440, 1488, 1505, 1512, 1548, 1620, 1674, 1680, 1720, 1728, 1736, 1806, 1849, 1860, 1890, 1920, 1935, 1953, 1984, 2016, 2064, 2160, 2170, 2232, 2240, 2268, 2322, 2408, 2480, 2511, 2520, 2580, 2592, 2604, 2666, 2688, 2709, 2752, 2790, 2835, 2880, 2976, 3010, 3024, 3096, 3240, 3255, 3348, 3360, 3440, 3456, 3472, 3483, 3612, 3698, 3720, 3780, 3870, 3906, 3968, 3999, 4032, 4128, 4185, 4320, 4340, 4464, 4480, 4515, 4536, 4644, 4816, 4960, 5022, 5040, 5160, 5184, 5208, 5332, 5418, 5504, 5547, 5580, 5670, 5760, 5805, 5859, 5952, 6020, 6048, 6192, 6480, 6510, 6665, 6696, 6720, 6880, 6944, 6966, 7224, 7396, 7440, 7560, 7740, 7812, 7998, 8064, 8127, 8256, 8370, 8640, 8680, 8928, 9030, 9072, 9245, 9288, 9331, 9632, 9765, 9920, 10044, 10080, 10320, 10368, 10416, 10664, 10836, 11094, 11160, 11340, 11610, 11718, 11904, 11997, 12040, 12096, 12384, 12555, 12943, 12960, 13020, 13330, 13392, 13440, 13545, 13760, 13888, 13932, 14448, 14792, 14880, 15120, 15480, 15624, 15996, 16254, 16512, 16641, 16740, 17280, 17360, 17415, 17577, 17856, 18060, 18144, 18490, 18576, 18662, 19264, 19530, 19840, 19995, 20088, 20160, 20640, 20832, 21328, 21672, 22188, 22320, 22680, 23220, 23436, 23994, 24080, 24192, 24381, 24768, 25110, 25886, 25920, 26040, 26660, 26784, 27090, 27520, 27735, 27776, 27864, 27993, 28896, 29295, 29584, 29760, 30240, 30960, 31248, 31992, 32508, 33282, 33480, 34720, 34830, 35154, 35712, 35991, 36120, 36288, 36980, 37152, 37324, 38528, 38829, 39060, 39990, 40176, 40320, 40635, 41280, 41664, 42656, 43344, 44376, 44640, 45360, 46440, 46655, 46872, 47988, 48160, 48762, 49536, 49923, 50220, 51772, 51840, 52080, 53320, 53568, 54180, 55470, 55728, 55986, 57319, 57792, 58590, 59168, 59520, 59985, 60480, 61920, 62496, 63984, 64715, 65016, 66564, 66960, 69440, 69660, 70308, 71982, 72240, 72576, 73960, 74304, 74648, 77658, 78120, 79980, 80352, 81270, 82560, 83205, 83328, 83979, 85312, 86688, 87885, 88752, 89280, 90720, 92880, 93310, 93744, 95976, 96320, 97524, 99846, 100440, 103544, 104160, 106640, 107136, 107973, 108360, 110940, 111456, 111972, 114638, 115584, 116487, 117180, 118336, 119970, 120960, 121905, 123840, 124992, 127968, 129430, 130032, 133128, 133920, 138880, 139320, 139965, 140616, 143964, 144480, 147920, 148608, 149296, 149769, 155316, 156240, 159960, 160704, 162540, 166410, 167958, 170624, 171957, 173376, 175770, 177504, 178560, 179955, 181440, 185760, 186620, 187488, 191952, 192640, 194145, 195048, 199692, 200880, 207088, 208320, 213280, 215946, 216720, 221880, 222912, 223944, 229276, 232974, 234360, 236672, 239940, 243810, 247680, 249615, 249984, 251937, 255936, 258860, 260064, 266256, 267840, 278640, 279930, 281232, 286595, 287928, 288960, 295840, 298592, 299538, 310632, 312480, 319920, 321408, 325080, 332820, 335916, 343914, 346752, 349461, 351540, 355008, 359910, 362880, 371520, 373240, 374976, 383904, 388290, 390096, 399384, 401233, 401760, 414176, 416640, 419895, 426560, 431892, 433440, 443760, 445824, 447888, 458552, 465948, 468720, 479880, 487620, 499230, 503874, 511872, 515871, 517720, 520128, 532512, 535680, 539865, 557280, 559860, 562464, 573190, 575856, 577920, 582435, 591680, 597184, 599076, 621264, 624960, 639840, 650160, 665640, 671832, 687828, 698922, 703080, 710016, 719820, 743040, 746480, 748845, 749952, 755811, 767808, 776580, 780192, 798768, 802466, 803520, 828352, 839790, 853120, 859785, 863784, 866880, 887520, 895776, 917104, 931896, 937440, 959760, 975240, 998460, 1007748, 1031742, 1035440, 1040256, 1048383, 1065024, 1079730, 1114560, 1119720, 1124928, 1146380, 1151712, 1164870, 1183360, 1194368, 1198152, 1203699, 1242528, 1249920, 1259685, 1279680, 1300320, 1331280, 1343664, 1375656, 1397844, 1406160, 1439640, 1492960, 1497690, 1511622, 1535616, 1547613, 1553160, 1560384, 1597536, 1604932, 1607040, 1656704, 1679580, 1719570, 1727568, 1733760, 1747305, 1775040, 1791552, 1834208, 1863792, 1874880, 1919520, 1950480, 1996920, 2006165, 2015496, 2063484, 2070880, 2096766, 2130048, 2159460, 2229120, 2239440, 2249856, 2292760, 2303424, 2329740, 2396304, 2407398, 2485056, 2519370, 2559360, 2579355, 2600640, 2662560, 2687328, 2751312, 2795688, 2812320, 2879280, 2985920, 2995380, 3023244, 3095226, 3106320, 3120768, 3195072, 3209864, 3359160, 3439140, 3455136, 3494610, 3550080, 3583104, 3611097, 3668416, 3727584, 3749760, 3779055, 3839040, 3900960, 3993840, 4012330, 4030992, 4126968, 4141760, 4193532, 4318920, 4478880, 4585520, 4606848, 4642839, 4659480, 4792608, 4814796, 4970112, 5038740, 5158710, 5201280, 5241915, 5325120, 5374656, 5502624, 5591376, 5624640, 5758560, 5971840, 5990760, 6018495, 6046488, 6190452, 6212640, 6390144, 6419728, 6718320, 6878280, 6910272, 6989220, 7222194, 7336832, 7455168, 7558110, 7678080, 7738065, 7801920, 7987680, 8024660, 8061984, 8253936, 8283520, 8387064, 8637840, 8957760, 9171040, 9285678, 9318960, 9585216, 9629592, 10077480, 10317420, 10483830, 10650240, 10749312, 10833291, 11005248, 11182752, 11249280, 11517120, 11981520, 12036990, 12092976, 12380904, 12425280, 12839456, 13436640, 13756560, 13820544, 13978440, 14444388, 14910336, 15116220, 15476130, 15603840, 15975360, 16049320, 16123968, 16507872, 16774128, 17275680, 17915520, 18055485, 18342080, 18571356, 18637920, 19170432, 19259184, 20154960, 20634840, 20967660, 21666582, 22010496, 22365504, 23034240, 23214195, 23963040, 24073980, 24185952, 24761808, 24850560, 25678912, 26873280, 27513120, 27956880, 28888776, 30232440, 30952260, 31950720, 32098640, 32247936, 32499873, 33015744, 33548256, 34551360, 36110970, 36684160, 37142712, 37275840, 38518368, 40309920, 41269680, 41935320, 43333164, 44731008, 46428390, 47926080, 48147960, 48371904, 49523616, 51357824, 53746560, 54166455, 55026240, 55913760, 57777552, 60464880, 61904520, 64197280, 64999746, 66031488, 67096512, 69102720, 72221940, 74285424, 74551680, 77036736, 80619840, 82539360, 83870640, 86666328, 92856780, 95852160, 96295920, 96743808, 99047232, 108332910, 110052480, 111827520, 115555104, 120929760, 123809040, 128394560, 129999492, 134193024, 144443880, 148570848, 154073472, 161239680, 162499365, 165078720, 167741280, 173332656, 185713560, 192591840, 198094464, 216665820, 223655040, 231110208, 241859520, 247618080, 256789120, 259998984, 288887760, 297141696, 324998730, 330157440, 335482560, 346665312, 371427120, 385183680, 433331640, 462220416, 483719040, 495236160, 519997968, 577775520, 594283392, 649997460, 670965120, 693330624, 742854240, 770367360, 866663280, 990472320, 1039995936, 1155551040, 1299994920, 1386661248, 1485708480, 1733326560, 2079991872, 2311102080, 2599989840, 2971416960, 3466653120, 4159983744, 5199979680, 6933306240, 10399959360, 20799918720]

約数ペア:

[(1, 20799918720), (2, 10399959360), (3, 6933306240), (4, 5199979680), (5, 4159983744), (6, 3466653120), (7, 2971416960), (8, 2599989840), (9, 2311102080), (10, 2079991872), (12, 1733326560), (14, 1485708480), (15, 1386661248), (16, 1299994920), (18, 1155551040), (20, 1039995936), (21, 990472320), (24, 866663280), (27, 770367360), (28, 742854240), (30, 693330624), (31, 670965120), (32, 649997460), (35, 594283392), (36, 577775520), (40, 519997968), (42, 495236160), (43, 483719040), (45, 462220416), (48, 433331640), (54, 385183680), (56, 371427120), (60, 346665312), (62, 335482560), (63, 330157440), (64, 324998730), (70, 297141696), (72, 288887760), (80, 259998984), (81, 256789120), (84, 247618080), (86, 241859520), (90, 231110208), (93, 223655040), (96, 216665820), (105, 198094464), (108, 192591840), (112, 185713560), (120, 173332656), (124, 167741280), (126, 165078720), (128, 162499365), (129, 161239680), (135, 154073472), (140, 148570848), (144, 144443880), (155, 134193024), (160, 129999492), (162, 128394560), (168, 123809040), (172, 120929760), (180, 115555104), (186, 111827520), (189, 110052480), (192, 108332910), (210, 99047232), (215, 96743808), (216, 96295920), (217, 95852160), (224, 92856780), (240, 86666328), (248, 83870640), (252, 82539360), (258, 80619840), (270, 77036736), (279, 74551680), (280, 74285424), (288, 72221940), (301, 69102720), (310, 67096512), (315, 66031488), (320, 64999746), (324, 64197280), (336, 61904520), (344, 60464880), (360, 57777552), (372, 55913760), (378, 55026240), (384, 54166455), (387, 53746560), (405, 51357824), (420, 49523616), (430, 48371904), (432, 48147960), (434, 47926080), (448, 46428390), (465, 44731008), (480, 43333164), (496, 41935320), (504, 41269680), (516, 40309920), (540, 38518368), (558, 37275840), (560, 37142712), (567, 36684160), (576, 36110970), (602, 34551360), (620, 33548256), (630, 33015744), (640, 32499873), (645, 32247936), (648, 32098640), (651, 31950720), (672, 30952260), (688, 30232440), (720, 28888776), (744, 27956880), (756, 27513120), (774, 26873280), (810, 25678912), (837, 24850560), (840, 24761808), (860, 24185952), (864, 24073980), (868, 23963040), (896, 23214195), (903, 23034240), (930, 22365504), (945, 22010496), (960, 21666582), (992, 20967660), (1008, 20634840), (1032, 20154960), (1080, 19259184), (1085, 19170432), (1116, 18637920), (1120, 18571356), (1134, 18342080), (1152, 18055485), (1161, 17915520), (1204, 17275680), (1240, 16774128), (1260, 16507872), (1290, 16123968), (1296, 16049320), (1302, 15975360), (1333, 15603840), (1344, 15476130), (1376, 15116220), (1395, 14910336), (1440, 14444388), (1488, 13978440), (1505, 13820544), (1512, 13756560), (1548, 13436640), (1620, 12839456), (1674, 12425280), (1680, 12380904), (1720, 12092976), (1728, 12036990), (1736, 11981520), (1806, 11517120), (1849, 11249280), (1860, 11182752), (1890, 11005248), (1920, 10833291), (1935, 10749312), (1953, 10650240), (1984, 10483830), (2016, 10317420), (2064, 10077480), (2160, 9629592), (2170, 9585216), (2232, 9318960), (2240, 9285678), (2268, 9171040), (2322, 8957760), (2408, 8637840), (2480, 8387064), (2511, 8283520), (2520, 8253936), (2580, 8061984), (2592, 8024660), (2604, 7987680), (2666, 7801920), (2688, 7738065), (2709, 7678080), (2752, 7558110), (2790, 7455168), (2835, 7336832), (2880, 7222194), (2976, 6989220), (3010, 6910272), (3024, 6878280), (3096, 6718320), (3240, 6419728), (3255, 6390144), (3348, 6212640), (3360, 6190452), (3440, 6046488), (3456, 6018495), (3472, 5990760), (3483, 5971840), (3612, 5758560), (3698, 5624640), (3720, 5591376), (3780, 5502624), (3870, 5374656), (3906, 5325120), (3968, 5241915), (3999, 5201280), (4032, 5158710), (4128, 5038740), (4185, 4970112), (4320, 4814796), (4340, 4792608), (4464, 4659480), (4480, 4642839), (4515, 4606848), (4536, 4585520), (4644, 4478880), (4816, 4318920), (4960, 4193532), (5022, 4141760), (5040, 4126968), (5160, 4030992), (5184, 4012330), (5208, 3993840), (5332, 3900960), (5418, 3839040), (5504, 3779055), (5547, 3749760), (5580, 3727584), (5670, 3668416), (5760, 3611097), (5805, 3583104), (5859, 3550080), (5952, 3494610), (6020, 3455136), (6048, 3439140), (6192, 3359160), (6480, 3209864), (6510, 3195072), (6665, 3120768), (6696, 3106320), (6720, 3095226), (6880, 3023244), (6944, 2995380), (6966, 2985920), (7224, 2879280), (7396, 2812320), (7440, 2795688), (7560, 2751312), (7740, 2687328), (7812, 2662560), (7998, 2600640), (8064, 2579355), (8127, 2559360), (8256, 2519370), (8370, 2485056), (8640, 2407398), (8680, 2396304), (8928, 2329740), (9030, 2303424), (9072, 2292760), (9245, 2249856), (9288, 2239440), (9331, 2229120), (9632, 2159460), (9765, 2130048), (9920, 2096766), (10044, 2070880), (10080, 2063484), (10320, 2015496), (10368, 2006165), (10416, 1996920), (10664, 1950480), (10836, 1919520), (11094, 1874880), (11160, 1863792), (11340, 1834208), (11610, 1791552), (11718, 1775040), (11904, 1747305), (11997, 1733760), (12040, 1727568), (12096, 1719570), (12384, 1679580), (12555, 1656704), (12943, 1607040), (12960, 1604932), (13020, 1597536), (13330, 1560384), (13392, 1553160), (13440, 1547613), (13545, 1535616), (13760, 1511622), (13888, 1497690), (13932, 1492960), (14448, 1439640), (14792, 1406160), (14880, 1397844), (15120, 1375656), (15480, 1343664), (15624, 1331280), (15996, 1300320), (16254, 1279680), (16512, 1259685), (16641, 1249920), (16740, 1242528), (17280, 1203699), (17360, 1198152), (17415, 1194368), (17577, 1183360), (17856, 1164870), (18060, 1151712), (18144, 1146380), (18490, 1124928), (18576, 1119720), (18662, 1114560), (19264, 1079730), (19530, 1065024), (19840, 1048383), (19995, 1040256), (20088, 1035440), (20160, 1031742), (20640, 1007748), (20832, 998460), (21328, 975240), (21672, 959760), (22188, 937440), (22320, 931896), (22680, 917104), (23220, 895776), (23436, 887520), (23994, 866880), (24080, 863784), (24192, 859785), (24381, 853120), (24768, 839790), (25110, 828352), (25886, 803520), (25920, 802466), (26040, 798768), (26660, 780192), (26784, 776580), (27090, 767808), (27520, 755811), (27735, 749952), (27776, 748845), (27864, 746480), (27993, 743040), (28896, 719820), (29295, 710016), (29584, 703080), (29760, 698922), (30240, 687828), (30960, 671832), (31248, 665640), (31992, 650160), (32508, 639840), (33282, 624960), (33480, 621264), (34720, 599076), (34830, 597184), (35154, 591680), (35712, 582435), (35991, 577920), (36120, 575856), (36288, 573190), (36980, 562464), (37152, 559860), (37324, 557280), (38528, 539865), (38829, 535680), (39060, 532512), (39990, 520128), (40176, 517720), (40320, 515871), (40635, 511872), (41280, 503874), (41664, 499230), (42656, 487620), (43344, 479880), (44376, 468720), (44640, 465948), (45360, 458552), (46440, 447888), (46655, 445824), (46872, 443760), (47988, 433440), (48160, 431892), (48762, 426560), (49536, 419895), (49923, 416640), (50220, 414176), (51772, 401760), (51840, 401233), (52080, 399384), (53320, 390096), (53568, 388290), (54180, 383904), (55470, 374976), (55728, 373240), (55986, 371520), (57319, 362880), (57792, 359910), (58590, 355008), (59168, 351540), (59520, 349461), (59985, 346752), (60480, 343914), (61920, 335916), (62496, 332820), (63984, 325080), (64715, 321408), (65016, 319920), (66564, 312480), (66960, 310632), (69440, 299538), (69660, 298592), (70308, 295840), (71982, 288960), (72240, 287928), (72576, 286595), (73960, 281232), (74304, 279930), (74648, 278640), (77658, 267840), (78120, 266256), (79980, 260064), (80352, 258860), (81270, 255936), (82560, 251937), (83205, 249984), (83328, 249615), (83979, 247680), (85312, 243810), (86688, 239940), (87885, 236672), (88752, 234360), (89280, 232974), (90720, 229276), (92880, 223944), (93310, 222912), (93744, 221880), (95976, 216720), (96320, 215946), (97524, 213280), (99846, 208320), (100440, 207088), (103544, 200880), (104160, 199692), (106640, 195048), (107136, 194145), (107973, 192640), (108360, 191952), (110940, 187488), (111456, 186620), (111972, 185760), (114638, 181440), (115584, 179955), (116487, 178560), (117180, 177504), (118336, 175770), (119970, 173376), (120960, 171957), (121905, 170624), (123840, 167958), (124992, 166410), (127968, 162540), (129430, 160704), (130032, 159960), (133128, 156240), (133920, 155316), (138880, 149769), (139320, 149296), (139965, 148608), (140616, 147920), (143964, 144480)]