20638164960

素因数分解:

$2^5\times 3^6\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:227

約数の個数: 1008

約数和(自身を含む): 89300758176

約数和(自身を除く): 68662593216

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 46, 48, 49, 54, 56, 60, 63, 69, 70, 72, 80, 81, 84, 90, 92, 96, 98, 105, 108, 112, 115, 120, 126, 135, 138, 140, 144, 147, 157, 160, 161, 162, 168, 180, 184, 189, 196, 207, 210, 216, 224, 230, 240, 243, 245, 252, 270, 276, 280, 288, 294, 314, 315, 322, 324, 336, 345, 360, 368, 378, 392, 405, 414, 420, 432, 441, 460, 471, 480, 483, 486, 490, 504, 540, 552, 560, 567, 588, 621, 628, 630, 644, 648, 672, 690, 720, 729, 735, 736, 756, 784, 785, 805, 810, 828, 840, 864, 882, 920, 942, 945, 966, 972, 980, 1008, 1035, 1080, 1099, 1104, 1120, 1127, 1134, 1176, 1215, 1242, 1256, 1260, 1288, 1296, 1323, 1380, 1413, 1440, 1449, 1458, 1470, 1512, 1568, 1570, 1610, 1620, 1656, 1680, 1701, 1764, 1840, 1863, 1884, 1890, 1932, 1944, 1960, 2016, 2070, 2160, 2198, 2205, 2208, 2254, 2268, 2352, 2355, 2415, 2430, 2484, 2512, 2520, 2576, 2592, 2646, 2760, 2826, 2835, 2898, 2916, 2940, 3024, 3105, 3140, 3220, 3240, 3297, 3312, 3360, 3381, 3402, 3528, 3611, 3645, 3680, 3726, 3768, 3780, 3864, 3888, 3920, 3969, 4140, 4239, 4320, 4347, 4396, 4410, 4508, 4536, 4704, 4710, 4830, 4860, 4968, 5024, 5040, 5103, 5152, 5292, 5495, 5520, 5589, 5635, 5652, 5670, 5796, 5832, 5880, 6048, 6210, 6280, 6440, 6480, 6594, 6615, 6624, 6762, 6804, 7056, 7065, 7222, 7245, 7290, 7452, 7536, 7560, 7693, 7728, 7776, 7840, 7938, 8280, 8478, 8505, 8694, 8792, 8820, 9016, 9072, 9315, 9420, 9660, 9720, 9891, 9936, 10080, 10143, 10206, 10584, 10833, 10990, 11040, 11178, 11270, 11304, 11340, 11592, 11664, 11760, 11907, 12420, 12560, 12717, 12880, 12960, 13041, 13188, 13230, 13524, 13608, 14112, 14130, 14444, 14490, 14580, 14904, 15072, 15120, 15386, 15456, 15876, 16485, 16560, 16767, 16905, 16956, 17010, 17388, 17584, 17640, 18032, 18055, 18144, 18630, 18840, 19320, 19440, 19782, 19845, 19872, 20286, 20412, 21168, 21195, 21666, 21735, 21980, 22356, 22540, 22608, 22680, 23079, 23184, 23328, 23520, 23814, 24840, 25120, 25277, 25434, 25515, 25760, 26082, 26376, 26460, 27048, 27216, 27945, 28260, 28888, 28980, 29160, 29673, 29808, 30240, 30429, 30772, 31752, 32499, 32970, 33120, 33534, 33810, 33912, 34020, 34776, 35168, 35280, 35721, 36064, 36110, 37260, 37680, 38151, 38465, 38640, 38880, 39123, 39564, 39690, 40572, 40824, 42336, 42390, 43332, 43470, 43960, 44712, 45080, 45216, 45360, 46158, 46368, 47628, 49455, 49680, 50554, 50715, 50868, 51030, 52164, 52752, 52920, 54096, 54165, 54432, 55890, 56520, 57776, 57960, 58320, 59346, 59535, 59616, 60858, 61544, 63504, 63585, 64998, 65205, 65940, 67068, 67620, 67824, 68040, 69237, 69552, 70560, 71442, 72220, 74520, 75360, 75831, 76302, 76930, 77280, 78246, 79128, 79380, 81144, 81648, 83835, 84780, 86664, 86940, 87920, 89019, 89424, 90160, 90720, 91287, 92316, 95256, 97497, 98910, 99360, 101108, 101430, 101736, 102060, 104328, 105504, 105840, 108192, 108330, 111780, 113040, 114453, 115395, 115552, 115920, 116640, 117369, 118692, 119070, 121716, 123088, 126385, 127008, 127170, 129996, 130410, 131880, 134136, 135240, 135648, 136080, 138474, 139104, 142884, 144440, 148365, 149040, 151662, 152145, 152604, 153860, 156492, 158256, 158760, 162288, 162495, 163296, 167670, 169560, 173328, 173880, 175840, 176939, 178038, 178605, 178848, 180320, 182574, 184632, 190512, 190755, 194994, 195615, 197820, 202216, 202860, 203472, 204120, 207711, 208656, 211680, 216660, 223560, 226080, 227493, 228906, 230790, 231840, 234738, 237384, 238140, 243432, 246176, 252770, 254340, 259992, 260820, 263760, 267057, 268272, 270480, 272160, 273861, 276948, 285768, 288880, 292491, 296730, 298080, 303324, 304290, 305208, 307720, 312984, 316512, 317520, 324576, 324990, 335340, 339120, 346185, 346656, 347760, 353878, 356076, 357210, 365148, 369264, 379155, 381024, 381510, 389988, 391230, 395640, 404432, 405720, 406944, 408240, 415422, 417312, 433320, 445095, 447120, 454986, 456435, 457812, 461580, 469476, 474768, 476280, 486864, 487485, 505540, 508680, 519984, 521640, 527520, 530817, 534114, 536544, 540960, 547722, 553896, 571536, 572265, 577760, 584982, 586845, 593460, 606648, 608580, 610416, 615440, 623133, 625968, 635040, 649980, 670680, 678240, 682479, 692370, 695520, 707756, 712152, 714420, 730296, 738528, 758310, 763020, 779976, 782460, 791280, 801171, 808864, 811440, 816480, 821583, 830844, 866640, 877473, 884695, 890190, 894240, 909972, 912870, 915624, 923160, 938952, 949536, 952560, 973728, 974970, 1011080, 1017360, 1038555, 1039968, 1043280, 1061634, 1068228, 1095444, 1107792, 1137465, 1143072, 1144530, 1169964, 1173690, 1186920, 1213296, 1217160, 1220832, 1230880, 1246266, 1251936, 1299960, 1335285, 1341360, 1364958, 1369305, 1384740, 1415512, 1424304, 1428840, 1460592, 1462455, 1516620, 1526040, 1559952, 1564920, 1582560, 1592451, 1602342, 1622880, 1643166, 1661688, 1733280, 1754946, 1769390, 1780380, 1819944, 1825740, 1831248, 1846320, 1869399, 1877904, 1905120, 1949940, 2022160, 2034720, 2047437, 2077110, 2086560, 2123268, 2136456, 2190888, 2215584, 2274930, 2289060, 2339928, 2347380, 2373840, 2426592, 2434320, 2492532, 2599920, 2632419, 2654085, 2670570, 2682720, 2729916, 2738610, 2769480, 2831024, 2848608, 2857680, 2921184, 2924910, 3033240, 3052080, 3115665, 3119904, 3129840, 3184902, 3204684, 3286332, 3323376, 3412395, 3509892, 3538780, 3560760, 3639888, 3651480, 3662496, 3692640, 3738798, 3755808, 3899880, 4005855, 4044320, 4094874, 4107915, 4154220, 4246536, 4272912, 4381776, 4387365, 4549860, 4578120, 4679856, 4694760, 4747680, 4777353, 4868640, 4985064, 5199840, 5264838, 5308170, 5341140, 5459832, 5477220, 5538960, 5608197, 5662048, 5715360, 5849820, 6066480, 6104160, 6142311, 6231330, 6259680, 6369804, 6409368, 6572664, 6646752, 6824790, 7019784, 7077560, 7121520, 7279776, 7302960, 7477596, 7799760, 7962255, 8011710, 8189748, 8215830, 8308440, 8493072, 8545824, 8763552, 8774730, 9099720, 9156240, 9346995, 9359712, 9389520, 9554706, 9970128, 10237185, 10529676, 10616340, 10682280, 10919664, 10954440, 11077920, 11216394, 11699640, 12132960, 12284622, 12462660, 12739608, 12818736, 13145328, 13162095, 13649580, 14039568, 14155120, 14243040, 14332059, 14605920, 14955192, 15599520, 15924510, 16023420, 16379496, 16431660, 16616880, 16986144, 17549460, 18199440, 18312480, 18426933, 18693990, 18779040, 19109412, 19940256, 20474370, 21059352, 21232680, 21364560, 21839328, 21908880, 22432788, 23399280, 23886765, 24569244, 24925320, 25479216, 25637472, 26290656, 26324190, 27299160, 28040985, 28079136, 28310240, 28664118, 29910384, 30711555, 31849020, 32046840, 32758992, 32863320, 33233760, 35098920, 36398880, 36853866, 37387980, 38218824, 40948740, 42118704, 42465360, 42729120, 42996177, 43817760, 44865576, 46798560, 47773530, 49138488, 49850640, 50958432, 52648380, 54598320, 56081970, 57328236, 59820768, 61423110, 63698040, 64093680, 65517984, 65726640, 70197840, 71660295, 73707732, 74775960, 76437648, 81897480, 84237408, 84930720, 85992354, 89731152, 92134665, 95547060, 98276976, 99701280, 105296760, 109196640, 112163940, 114656472, 122846220, 127396080, 128187360, 128988531, 131453280, 140395680, 143320590, 147415464, 149551920, 152875296, 163794960, 171984708, 179462304, 184269330, 191094120, 196553952, 210593520, 214980885, 224327880, 229312944, 245692440, 254792160, 257977062, 286641180, 294830928, 299103840, 327589920, 343969416, 368538660, 382188240, 421187040, 429961770, 448655760, 458625888, 491384880, 515954124, 573282360, 589661856, 644942655, 687938832, 737077320, 764376480, 859923540, 897311520, 982769760, 1031908248, 1146564720, 1289885310, 1375877664, 1474154640, 1719847080, 2063816496, 2293129440, 2579770620, 2948309280, 3439694160, 4127632992, 5159541240, 6879388320, 10319082480, 20638164960]

約数ペア:

[(1, 20638164960), (2, 10319082480), (3, 6879388320), (4, 5159541240), (5, 4127632992), (6, 3439694160), (7, 2948309280), (8, 2579770620), (9, 2293129440), (10, 2063816496), (12, 1719847080), (14, 1474154640), (15, 1375877664), (16, 1289885310), (18, 1146564720), (20, 1031908248), (21, 982769760), (23, 897311520), (24, 859923540), (27, 764376480), (28, 737077320), (30, 687938832), (32, 644942655), (35, 589661856), (36, 573282360), (40, 515954124), (42, 491384880), (45, 458625888), (46, 448655760), (48, 429961770), (49, 421187040), (54, 382188240), (56, 368538660), (60, 343969416), (63, 327589920), (69, 299103840), (70, 294830928), (72, 286641180), (80, 257977062), (81, 254792160), (84, 245692440), (90, 229312944), (92, 224327880), (96, 214980885), (98, 210593520), (105, 196553952), (108, 191094120), (112, 184269330), (115, 179462304), (120, 171984708), (126, 163794960), (135, 152875296), (138, 149551920), (140, 147415464), (144, 143320590), (147, 140395680), (157, 131453280), (160, 128988531), (161, 128187360), (162, 127396080), (168, 122846220), (180, 114656472), (184, 112163940), (189, 109196640), (196, 105296760), (207, 99701280), (210, 98276976), (216, 95547060), (224, 92134665), (230, 89731152), (240, 85992354), (243, 84930720), (245, 84237408), (252, 81897480), (270, 76437648), (276, 74775960), (280, 73707732), (288, 71660295), (294, 70197840), (314, 65726640), (315, 65517984), (322, 64093680), (324, 63698040), (336, 61423110), (345, 59820768), (360, 57328236), (368, 56081970), (378, 54598320), (392, 52648380), (405, 50958432), (414, 49850640), (420, 49138488), (432, 47773530), (441, 46798560), (460, 44865576), (471, 43817760), (480, 42996177), (483, 42729120), (486, 42465360), (490, 42118704), (504, 40948740), (540, 38218824), (552, 37387980), (560, 36853866), (567, 36398880), (588, 35098920), (621, 33233760), (628, 32863320), (630, 32758992), (644, 32046840), (648, 31849020), (672, 30711555), (690, 29910384), (720, 28664118), (729, 28310240), (735, 28079136), (736, 28040985), (756, 27299160), (784, 26324190), (785, 26290656), (805, 25637472), (810, 25479216), (828, 24925320), (840, 24569244), (864, 23886765), (882, 23399280), (920, 22432788), (942, 21908880), (945, 21839328), (966, 21364560), (972, 21232680), (980, 21059352), (1008, 20474370), (1035, 19940256), (1080, 19109412), (1099, 18779040), (1104, 18693990), (1120, 18426933), (1127, 18312480), (1134, 18199440), (1176, 17549460), (1215, 16986144), (1242, 16616880), (1256, 16431660), (1260, 16379496), (1288, 16023420), (1296, 15924510), (1323, 15599520), (1380, 14955192), (1413, 14605920), (1440, 14332059), (1449, 14243040), (1458, 14155120), (1470, 14039568), (1512, 13649580), (1568, 13162095), (1570, 13145328), (1610, 12818736), (1620, 12739608), (1656, 12462660), (1680, 12284622), (1701, 12132960), (1764, 11699640), (1840, 11216394), (1863, 11077920), (1884, 10954440), (1890, 10919664), (1932, 10682280), (1944, 10616340), (1960, 10529676), (2016, 10237185), (2070, 9970128), (2160, 9554706), (2198, 9389520), (2205, 9359712), (2208, 9346995), (2254, 9156240), (2268, 9099720), (2352, 8774730), (2355, 8763552), (2415, 8545824), (2430, 8493072), (2484, 8308440), (2512, 8215830), (2520, 8189748), (2576, 8011710), (2592, 7962255), (2646, 7799760), (2760, 7477596), (2826, 7302960), (2835, 7279776), (2898, 7121520), (2916, 7077560), (2940, 7019784), (3024, 6824790), (3105, 6646752), (3140, 6572664), (3220, 6409368), (3240, 6369804), (3297, 6259680), (3312, 6231330), (3360, 6142311), (3381, 6104160), (3402, 6066480), (3528, 5849820), (3611, 5715360), (3645, 5662048), (3680, 5608197), (3726, 5538960), (3768, 5477220), (3780, 5459832), (3864, 5341140), (3888, 5308170), (3920, 5264838), (3969, 5199840), (4140, 4985064), (4239, 4868640), (4320, 4777353), (4347, 4747680), (4396, 4694760), (4410, 4679856), (4508, 4578120), (4536, 4549860), (4704, 4387365), (4710, 4381776), (4830, 4272912), (4860, 4246536), (4968, 4154220), (5024, 4107915), (5040, 4094874), (5103, 4044320), (5152, 4005855), (5292, 3899880), (5495, 3755808), (5520, 3738798), (5589, 3692640), (5635, 3662496), (5652, 3651480), (5670, 3639888), (5796, 3560760), (5832, 3538780), (5880, 3509892), (6048, 3412395), (6210, 3323376), (6280, 3286332), (6440, 3204684), (6480, 3184902), (6594, 3129840), (6615, 3119904), (6624, 3115665), (6762, 3052080), (6804, 3033240), (7056, 2924910), (7065, 2921184), (7222, 2857680), (7245, 2848608), (7290, 2831024), (7452, 2769480), (7536, 2738610), (7560, 2729916), (7693, 2682720), (7728, 2670570), (7776, 2654085), (7840, 2632419), (7938, 2599920), (8280, 2492532), (8478, 2434320), (8505, 2426592), (8694, 2373840), (8792, 2347380), (8820, 2339928), (9016, 2289060), (9072, 2274930), (9315, 2215584), (9420, 2190888), (9660, 2136456), (9720, 2123268), (9891, 2086560), (9936, 2077110), (10080, 2047437), (10143, 2034720), (10206, 2022160), (10584, 1949940), (10833, 1905120), (10990, 1877904), (11040, 1869399), (11178, 1846320), (11270, 1831248), (11304, 1825740), (11340, 1819944), (11592, 1780380), (11664, 1769390), (11760, 1754946), (11907, 1733280), (12420, 1661688), (12560, 1643166), (12717, 1622880), (12880, 1602342), (12960, 1592451), (13041, 1582560), (13188, 1564920), (13230, 1559952), (13524, 1526040), (13608, 1516620), (14112, 1462455), (14130, 1460592), (14444, 1428840), (14490, 1424304), (14580, 1415512), (14904, 1384740), (15072, 1369305), (15120, 1364958), (15386, 1341360), (15456, 1335285), (15876, 1299960), (16485, 1251936), (16560, 1246266), (16767, 1230880), (16905, 1220832), (16956, 1217160), (17010, 1213296), (17388, 1186920), (17584, 1173690), (17640, 1169964), (18032, 1144530), (18055, 1143072), (18144, 1137465), (18630, 1107792), (18840, 1095444), (19320, 1068228), (19440, 1061634), (19782, 1043280), (19845, 1039968), (19872, 1038555), (20286, 1017360), (20412, 1011080), (21168, 974970), (21195, 973728), (21666, 952560), (21735, 949536), (21980, 938952), (22356, 923160), (22540, 915624), (22608, 912870), (22680, 909972), (23079, 894240), (23184, 890190), (23328, 884695), (23520, 877473), (23814, 866640), (24840, 830844), (25120, 821583), (25277, 816480), (25434, 811440), (25515, 808864), (25760, 801171), (26082, 791280), (26376, 782460), (26460, 779976), (27048, 763020), (27216, 758310), (27945, 738528), (28260, 730296), (28888, 714420), (28980, 712152), (29160, 707756), (29673, 695520), (29808, 692370), (30240, 682479), (30429, 678240), (30772, 670680), (31752, 649980), (32499, 635040), (32970, 625968), (33120, 623133), (33534, 615440), (33810, 610416), (33912, 608580), (34020, 606648), (34776, 593460), (35168, 586845), (35280, 584982), (35721, 577760), (36064, 572265), (36110, 571536), (37260, 553896), (37680, 547722), (38151, 540960), (38465, 536544), (38640, 534114), (38880, 530817), (39123, 527520), (39564, 521640), (39690, 519984), (40572, 508680), (40824, 505540), (42336, 487485), (42390, 486864), (43332, 476280), (43470, 474768), (43960, 469476), (44712, 461580), (45080, 457812), (45216, 456435), (45360, 454986), (46158, 447120), (46368, 445095), (47628, 433320), (49455, 417312), (49680, 415422), (50554, 408240), (50715, 406944), (50868, 405720), (51030, 404432), (52164, 395640), (52752, 391230), (52920, 389988), (54096, 381510), (54165, 381024), (54432, 379155), (55890, 369264), (56520, 365148), (57776, 357210), (57960, 356076), (58320, 353878), (59346, 347760), (59535, 346656), (59616, 346185), (60858, 339120), (61544, 335340), (63504, 324990), (63585, 324576), (64998, 317520), (65205, 316512), (65940, 312984), (67068, 307720), (67620, 305208), (67824, 304290), (68040, 303324), (69237, 298080), (69552, 296730), (70560, 292491), (71442, 288880), (72220, 285768), (74520, 276948), (75360, 273861), (75831, 272160), (76302, 270480), (76930, 268272), (77280, 267057), (78246, 263760), (79128, 260820), (79380, 259992), (81144, 254340), (81648, 252770), (83835, 246176), (84780, 243432), (86664, 238140), (86940, 237384), (87920, 234738), (89019, 231840), (89424, 230790), (90160, 228906), (90720, 227493), (91287, 226080), (92316, 223560), (95256, 216660), (97497, 211680), (98910, 208656), (99360, 207711), (101108, 204120), (101430, 203472), (101736, 202860), (102060, 202216), (104328, 197820), (105504, 195615), (105840, 194994), (108192, 190755), (108330, 190512), (111780, 184632), (113040, 182574), (114453, 180320), (115395, 178848), (115552, 178605), (115920, 178038), (116640, 176939), (117369, 175840), (118692, 173880), (119070, 173328), (121716, 169560), (123088, 167670), (126385, 163296), (127008, 162495), (127170, 162288), (129996, 158760), (130410, 158256), (131880, 156492), (134136, 153860), (135240, 152604), (135648, 152145), (136080, 151662), (138474, 149040), (139104, 148365), (142884, 144440)]