20163240720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{181}}^1$

素因数の和:292

約数の個数: 720

約数和(自身を含む): 83903129856

約数和(自身を除く): 63739889136

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 28, 30, 31, 35, 36, 40, 42, 45, 46, 48, 56, 60, 62, 63, 69, 70, 72, 80, 84, 90, 92, 93, 105, 112, 115, 120, 124, 126, 138, 140, 144, 155, 161, 168, 180, 181, 184, 186, 207, 210, 217, 230, 240, 248, 252, 276, 279, 280, 310, 315, 322, 336, 345, 360, 362, 368, 372, 414, 420, 434, 460, 465, 483, 496, 504, 543, 552, 558, 560, 620, 630, 644, 651, 690, 713, 720, 724, 744, 805, 828, 840, 868, 905, 920, 930, 961, 966, 1008, 1035, 1085, 1086, 1104, 1116, 1240, 1260, 1267, 1288, 1302, 1380, 1395, 1426, 1448, 1449, 1488, 1610, 1629, 1656, 1680, 1736, 1810, 1840, 1860, 1922, 1932, 1953, 2070, 2139, 2170, 2172, 2232, 2415, 2480, 2520, 2534, 2576, 2604, 2715, 2760, 2790, 2852, 2883, 2896, 2898, 3220, 3255, 3258, 3312, 3472, 3565, 3620, 3720, 3801, 3844, 3864, 3906, 4140, 4163, 4278, 4340, 4344, 4464, 4805, 4830, 4991, 5040, 5068, 5208, 5430, 5520, 5580, 5611, 5704, 5766, 5796, 6335, 6417, 6440, 6510, 6516, 6727, 7130, 7240, 7245, 7440, 7602, 7688, 7728, 7812, 8145, 8280, 8326, 8556, 8649, 8680, 8688, 9610, 9660, 9765, 9982, 10136, 10416, 10695, 10860, 11160, 11222, 11403, 11408, 11532, 11592, 12489, 12670, 12834, 12880, 13020, 13032, 13454, 14260, 14415, 14480, 14490, 14973, 15204, 15376, 15624, 16290, 16560, 16652, 16833, 17112, 17298, 17360, 19005, 19220, 19320, 19530, 19964, 20181, 20272, 20815, 21390, 21720, 22103, 22320, 22444, 22806, 23064, 23184, 24955, 24978, 25340, 25668, 26040, 26064, 26908, 28055, 28520, 28830, 28980, 29141, 29946, 30408, 31248, 32085, 32580, 33304, 33635, 33666, 34224, 34596, 37467, 38010, 38440, 38640, 39060, 39277, 39928, 40362, 41630, 42780, 43245, 43440, 44206, 44888, 44919, 45612, 46128, 49910, 49956, 50499, 50680, 51336, 52080, 53816, 56110, 57015, 57040, 57660, 57960, 58282, 59892, 60543, 60816, 62445, 64170, 65160, 66309, 66608, 67270, 67332, 69192, 74865, 74934, 76020, 76880, 78120, 78554, 79856, 80724, 83260, 84165, 85560, 86490, 87423, 88412, 89776, 89838, 91224, 99820, 99912, 100905, 100998, 101360, 102672, 107632, 110515, 112220, 114030, 115320, 115920, 116564, 117831, 119784, 121086, 124890, 128340, 129053, 130320, 132618, 134540, 134664, 138384, 145705, 149730, 149868, 152040, 154721, 156240, 157108, 161448, 166520, 168330, 171120, 172980, 173941, 174846, 176824, 179676, 182448, 187335, 196385, 198927, 199640, 199824, 201810, 201996, 221030, 224440, 224595, 228060, 230640, 233128, 235662, 239568, 242172, 249780, 252495, 256680, 258106, 262269, 265236, 269080, 269328, 291410, 299460, 299736, 302715, 304080, 309442, 314216, 322896, 331545, 333040, 336660, 345960, 347882, 349692, 353493, 353648, 359352, 374670, 387159, 392770, 397854, 399280, 403620, 403992, 437115, 442060, 448880, 449190, 456120, 464163, 466256, 471324, 484344, 499560, 504990, 513360, 516212, 521823, 524538, 530472, 538160, 582820, 589155, 598920, 599472, 605430, 618884, 628432, 645265, 663090, 673320, 691920, 695764, 699384, 706986, 718704, 749340, 773605, 774318, 785540, 795708, 807240, 807984, 869705, 874230, 884120, 898380, 903371, 912240, 928326, 942648, 968688, 994635, 999120, 1009980, 1032424, 1043646, 1049076, 1060944, 1161477, 1165640, 1178310, 1197840, 1210860, 1217587, 1237768, 1290530, 1311345, 1326180, 1346640, 1391528, 1392489, 1398768, 1413972, 1498680, 1547210, 1548636, 1565469, 1571080, 1591416, 1614480, 1739410, 1748460, 1767465, 1768240, 1796760, 1806742, 1856652, 1885296, 1935795, 1989270, 2019960, 2064848, 2087292, 2098152, 2320815, 2322954, 2331280, 2356620, 2421720, 2435174, 2475536, 2581060, 2609115, 2622690, 2652360, 2710113, 2783056, 2784978, 2827944, 2997360, 3094420, 3097272, 3130938, 3142160, 3182832, 3478820, 3496920, 3534930, 3593520, 3613484, 3652761, 3713304, 3871590, 3978540, 4000643, 4039920, 4174584, 4196304, 4516855, 4641630, 4645908, 4713240, 4843440, 4870348, 5162120, 5218230, 5245380, 5304720, 5420226, 5569956, 5655888, 5807385, 6087935, 6188840, 6194544, 6261876, 6957640, 6962445, 6993840, 7069860, 7226968, 7305522, 7426608, 7743180, 7827345, 7957080, 8001286, 8130339, 8349168, 9033710, 9283260, 9291816, 9426480, 9740696, 10324240, 10436460, 10490760, 10840452, 10958283, 11139912, 11614770, 12001929, 12175870, 12377680, 12523752, 13550565, 13915280, 13924890, 14139720, 14453936, 14611044, 15486360, 15654690, 15914160, 16002572, 16260678, 18067420, 18263805, 18566520, 18583632, 19481392, 20003215, 20872920, 20981520, 21680904, 21916566, 22279824, 23229540, 24003858, 24351740, 25047504, 27101130, 27849780, 28004501, 28279440, 29222088, 30972720, 31309380, 32005144, 32521356, 36005787, 36134840, 36527610, 37133040, 40006430, 40651695, 41745840, 43361808, 43833132, 46459080, 48007716, 48703480, 54202260, 54791415, 55699560, 56009002, 58444176, 60009645, 62618760, 64010288, 65042712, 72011574, 72269680, 73055220, 80012860, 81303390, 84013503, 87666264, 92918160, 96015432, 97406960, 108404520, 109582830, 111399120, 112018004, 120019290, 125237520, 130085424, 140022505, 144023148, 146110440, 160025720, 162606780, 168027006, 175332528, 180028935, 192030864, 216809040, 219165660, 224036008, 240038580, 252040509, 280045010, 288046296, 292220880, 320051440, 325213560, 336054012, 360057870, 420067515, 438331320, 448072016, 480077160, 504081018, 560090020, 576092592, 650427120, 672108024, 720115740, 840135030, 876662640, 960154320, 1008162036, 1120180040, 1260202545, 1344216048, 1440231480, 1680270060, 2016324072, 2240360080, 2520405090, 2880462960, 3360540120, 4032648144, 5040810180, 6721080240, 10081620360, 20163240720]

約数ペア:

[(1, 20163240720), (2, 10081620360), (3, 6721080240), (4, 5040810180), (5, 4032648144), (6, 3360540120), (7, 2880462960), (8, 2520405090), (9, 2240360080), (10, 2016324072), (12, 1680270060), (14, 1440231480), (15, 1344216048), (16, 1260202545), (18, 1120180040), (20, 1008162036), (21, 960154320), (23, 876662640), (24, 840135030), (28, 720115740), (30, 672108024), (31, 650427120), (35, 576092592), (36, 560090020), (40, 504081018), (42, 480077160), (45, 448072016), (46, 438331320), (48, 420067515), (56, 360057870), (60, 336054012), (62, 325213560), (63, 320051440), (69, 292220880), (70, 288046296), (72, 280045010), (80, 252040509), (84, 240038580), (90, 224036008), (92, 219165660), (93, 216809040), (105, 192030864), (112, 180028935), (115, 175332528), (120, 168027006), (124, 162606780), (126, 160025720), (138, 146110440), (140, 144023148), (144, 140022505), (155, 130085424), (161, 125237520), (168, 120019290), (180, 112018004), (181, 111399120), (184, 109582830), (186, 108404520), (207, 97406960), (210, 96015432), (217, 92918160), (230, 87666264), (240, 84013503), (248, 81303390), (252, 80012860), (276, 73055220), (279, 72269680), (280, 72011574), (310, 65042712), (315, 64010288), (322, 62618760), (336, 60009645), (345, 58444176), (360, 56009002), (362, 55699560), (368, 54791415), (372, 54202260), (414, 48703480), (420, 48007716), (434, 46459080), (460, 43833132), (465, 43361808), (483, 41745840), (496, 40651695), (504, 40006430), (543, 37133040), (552, 36527610), (558, 36134840), (560, 36005787), (620, 32521356), (630, 32005144), (644, 31309380), (651, 30972720), (690, 29222088), (713, 28279440), (720, 28004501), (724, 27849780), (744, 27101130), (805, 25047504), (828, 24351740), (840, 24003858), (868, 23229540), (905, 22279824), (920, 21916566), (930, 21680904), (961, 20981520), (966, 20872920), (1008, 20003215), (1035, 19481392), (1085, 18583632), (1086, 18566520), (1104, 18263805), (1116, 18067420), (1240, 16260678), (1260, 16002572), (1267, 15914160), (1288, 15654690), (1302, 15486360), (1380, 14611044), (1395, 14453936), (1426, 14139720), (1448, 13924890), (1449, 13915280), (1488, 13550565), (1610, 12523752), (1629, 12377680), (1656, 12175870), (1680, 12001929), (1736, 11614770), (1810, 11139912), (1840, 10958283), (1860, 10840452), (1922, 10490760), (1932, 10436460), (1953, 10324240), (2070, 9740696), (2139, 9426480), (2170, 9291816), (2172, 9283260), (2232, 9033710), (2415, 8349168), (2480, 8130339), (2520, 8001286), (2534, 7957080), (2576, 7827345), (2604, 7743180), (2715, 7426608), (2760, 7305522), (2790, 7226968), (2852, 7069860), (2883, 6993840), (2896, 6962445), (2898, 6957640), (3220, 6261876), (3255, 6194544), (3258, 6188840), (3312, 6087935), (3472, 5807385), (3565, 5655888), (3620, 5569956), (3720, 5420226), (3801, 5304720), (3844, 5245380), (3864, 5218230), (3906, 5162120), (4140, 4870348), (4163, 4843440), (4278, 4713240), (4340, 4645908), (4344, 4641630), (4464, 4516855), (4805, 4196304), (4830, 4174584), (4991, 4039920), (5040, 4000643), (5068, 3978540), (5208, 3871590), (5430, 3713304), (5520, 3652761), (5580, 3613484), (5611, 3593520), (5704, 3534930), (5766, 3496920), (5796, 3478820), (6335, 3182832), (6417, 3142160), (6440, 3130938), (6510, 3097272), (6516, 3094420), (6727, 2997360), (7130, 2827944), (7240, 2784978), (7245, 2783056), (7440, 2710113), (7602, 2652360), (7688, 2622690), (7728, 2609115), (7812, 2581060), (8145, 2475536), (8280, 2435174), (8326, 2421720), (8556, 2356620), (8649, 2331280), (8680, 2322954), (8688, 2320815), (9610, 2098152), (9660, 2087292), (9765, 2064848), (9982, 2019960), (10136, 1989270), (10416, 1935795), (10695, 1885296), (10860, 1856652), (11160, 1806742), (11222, 1796760), (11403, 1768240), (11408, 1767465), (11532, 1748460), (11592, 1739410), (12489, 1614480), (12670, 1591416), (12834, 1571080), (12880, 1565469), (13020, 1548636), (13032, 1547210), (13454, 1498680), (14260, 1413972), (14415, 1398768), (14480, 1392489), (14490, 1391528), (14973, 1346640), (15204, 1326180), (15376, 1311345), (15624, 1290530), (16290, 1237768), (16560, 1217587), (16652, 1210860), (16833, 1197840), (17112, 1178310), (17298, 1165640), (17360, 1161477), (19005, 1060944), (19220, 1049076), (19320, 1043646), (19530, 1032424), (19964, 1009980), (20181, 999120), (20272, 994635), (20815, 968688), (21390, 942648), (21720, 928326), (22103, 912240), (22320, 903371), (22444, 898380), (22806, 884120), (23064, 874230), (23184, 869705), (24955, 807984), (24978, 807240), (25340, 795708), (25668, 785540), (26040, 774318), (26064, 773605), (26908, 749340), (28055, 718704), (28520, 706986), (28830, 699384), (28980, 695764), (29141, 691920), (29946, 673320), (30408, 663090), (31248, 645265), (32085, 628432), (32580, 618884), (33304, 605430), (33635, 599472), (33666, 598920), (34224, 589155), (34596, 582820), (37467, 538160), (38010, 530472), (38440, 524538), (38640, 521823), (39060, 516212), (39277, 513360), (39928, 504990), (40362, 499560), (41630, 484344), (42780, 471324), (43245, 466256), (43440, 464163), (44206, 456120), (44888, 449190), (44919, 448880), (45612, 442060), (46128, 437115), (49910, 403992), (49956, 403620), (50499, 399280), (50680, 397854), (51336, 392770), (52080, 387159), (53816, 374670), (56110, 359352), (57015, 353648), (57040, 353493), (57660, 349692), (57960, 347882), (58282, 345960), (59892, 336660), (60543, 333040), (60816, 331545), (62445, 322896), (64170, 314216), (65160, 309442), (66309, 304080), (66608, 302715), (67270, 299736), (67332, 299460), (69192, 291410), (74865, 269328), (74934, 269080), (76020, 265236), (76880, 262269), (78120, 258106), (78554, 256680), (79856, 252495), (80724, 249780), (83260, 242172), (84165, 239568), (85560, 235662), (86490, 233128), (87423, 230640), (88412, 228060), (89776, 224595), (89838, 224440), (91224, 221030), (99820, 201996), (99912, 201810), (100905, 199824), (100998, 199640), (101360, 198927), (102672, 196385), (107632, 187335), (110515, 182448), (112220, 179676), (114030, 176824), (115320, 174846), (115920, 173941), (116564, 172980), (117831, 171120), (119784, 168330), (121086, 166520), (124890, 161448), (128340, 157108), (129053, 156240), (130320, 154721), (132618, 152040), (134540, 149868), (134664, 149730), (138384, 145705)]