20671355520

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{677}}^1$

素因数の和:758

約数の個数: 640

約数和(自身を含む): 80331609600

約数和(自身を除く): 59660254080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 31, 32, 36, 38, 40, 45, 48, 54, 57, 60, 62, 64, 72, 76, 80, 81, 90, 93, 95, 96, 108, 114, 120, 124, 128, 135, 144, 152, 155, 160, 162, 171, 180, 186, 190, 192, 216, 228, 240, 248, 270, 279, 285, 288, 304, 310, 320, 324, 342, 360, 372, 380, 384, 405, 432, 456, 465, 480, 496, 513, 540, 558, 570, 576, 589, 608, 620, 640, 648, 677, 684, 720, 744, 760, 810, 837, 855, 864, 912, 930, 960, 992, 1026, 1080, 1116, 1140, 1152, 1178, 1216, 1240, 1296, 1354, 1368, 1395, 1440, 1488, 1520, 1539, 1620, 1674, 1710, 1728, 1767, 1824, 1860, 1920, 1984, 2031, 2052, 2160, 2232, 2280, 2356, 2432, 2480, 2511, 2565, 2592, 2708, 2736, 2790, 2880, 2945, 2976, 3040, 3078, 3240, 3348, 3385, 3420, 3456, 3534, 3648, 3720, 3968, 4062, 4104, 4185, 4320, 4464, 4560, 4712, 4960, 5022, 5130, 5184, 5301, 5416, 5472, 5580, 5760, 5890, 5952, 6080, 6093, 6156, 6480, 6696, 6770, 6840, 7068, 7296, 7440, 7695, 8124, 8208, 8370, 8640, 8835, 8928, 9120, 9424, 9920, 10044, 10155, 10260, 10368, 10602, 10832, 10944, 11160, 11780, 11904, 12160, 12186, 12312, 12555, 12863, 12960, 13392, 13540, 13680, 14136, 14880, 15390, 15903, 16248, 16416, 16740, 17280, 17670, 17856, 18240, 18279, 18848, 19840, 20088, 20310, 20520, 20987, 21204, 21664, 21888, 22320, 23560, 24372, 24624, 25110, 25726, 25920, 26505, 26784, 27080, 27360, 28272, 29760, 30465, 30780, 31806, 32496, 32832, 33480, 35340, 35712, 36480, 36558, 37696, 38589, 40176, 40620, 41040, 41974, 42408, 43328, 44640, 47120, 47709, 48744, 49248, 50220, 51452, 51840, 53010, 53568, 54160, 54720, 54837, 56544, 59520, 60930, 61560, 62961, 63612, 64315, 64992, 65664, 66960, 70680, 73116, 75392, 77178, 79515, 80352, 81240, 82080, 83948, 84816, 86656, 89280, 91395, 94240, 95418, 97488, 98496, 100440, 102904, 104935, 106020, 107136, 108320, 109440, 109674, 113088, 115767, 121860, 123120, 125922, 127224, 128630, 129984, 133920, 141360, 146232, 154356, 159030, 160704, 162480, 164160, 167896, 169632, 178560, 182790, 188480, 188883, 190836, 192945, 194976, 196992, 200880, 205808, 209870, 212040, 216640, 219348, 226176, 231534, 238545, 243720, 246240, 251844, 254448, 257260, 259968, 267840, 274185, 282720, 292464, 308712, 314805, 318060, 321408, 324960, 328320, 335792, 339264, 347301, 365580, 376960, 377766, 381672, 385890, 389952, 398753, 401760, 411616, 419740, 424080, 433280, 438696, 463068, 477090, 487440, 492480, 503688, 508896, 514520, 535680, 548370, 565440, 566649, 578835, 584928, 617424, 629610, 636120, 649920, 671584, 678528, 694602, 731160, 755532, 763344, 771780, 779904, 797506, 803520, 823232, 839480, 848160, 877392, 926136, 944415, 954180, 974880, 984960, 1007376, 1017792, 1029040, 1041903, 1096740, 1130880, 1133298, 1157670, 1169856, 1196259, 1234848, 1259220, 1272240, 1299840, 1343168, 1389204, 1462320, 1511064, 1526688, 1543560, 1595012, 1607040, 1646464, 1678960, 1696320, 1699947, 1736505, 1754784, 1852272, 1888830, 1908360, 1949760, 1993765, 2014752, 2035584, 2058080, 2083806, 2193480, 2266596, 2315340, 2339712, 2392518, 2469696, 2518440, 2544480, 2686336, 2778408, 2833245, 2924640, 3022128, 3053376, 3087120, 3190024, 3357920, 3392640, 3399894, 3473010, 3509568, 3588777, 3704544, 3777660, 3816720, 3899520, 3987530, 4029504, 4116160, 4167612, 4386960, 4533192, 4630680, 4785036, 4939392, 5036880, 5088960, 5209515, 5556816, 5666490, 5849280, 5981295, 6044256, 6106752, 6174240, 6380048, 6715840, 6799788, 6946020, 7019136, 7177554, 7409088, 7555320, 7633440, 7975060, 8059008, 8232320, 8335224, 8499735, 8773920, 9066384, 9261360, 9570072, 10073760, 10177920, 10419030, 10766331, 11113632, 11332980, 11698560, 11962590, 12088512, 12348480, 12760096, 13431680, 13599576, 13892040, 14355108, 14818176, 15110640, 15266880, 15950120, 16670448, 16999470, 17547840, 17943885, 18132768, 18522720, 19140144, 20147520, 20838060, 21532662, 22227264, 22665960, 23925180, 24177024, 24696960, 25520192, 27199152, 27784080, 28710216, 30221280, 30533760, 31900240, 32298993, 33340896, 33998940, 35095680, 35887770, 36265536, 37045440, 38280288, 40295040, 41676120, 43065324, 44454528, 45331920, 47850360, 51040384, 53831655, 54398304, 55568160, 57420432, 60442560, 63800480, 64597986, 66681792, 67997880, 71775540, 72531072, 74090880, 76560576, 83352240, 86130648, 90663840, 95700720, 107663310, 108796608, 111136320, 114840864, 120885120, 127600960, 129195972, 133363584, 135995760, 143551080, 153121152, 161494965, 166704480, 172261296, 181327680, 191401440, 215326620, 217593216, 222272640, 229681728, 255201920, 258391944, 271991520, 287102160, 322989930, 333408960, 344522592, 362655360, 382802880, 430653240, 459363456, 516783888, 543983040, 574204320, 645979860, 666817920, 689045184, 765605760, 861306480, 1033567776, 1087966080, 1148408640, 1291959720, 1378090368, 1722612960, 2067135552, 2296817280, 2583919440, 3445225920, 4134271104, 5167838880, 6890451840, 10335677760, 20671355520]

約数ペア:

[(1, 20671355520), (2, 10335677760), (3, 6890451840), (4, 5167838880), (5, 4134271104), (6, 3445225920), (8, 2583919440), (9, 2296817280), (10, 2067135552), (12, 1722612960), (15, 1378090368), (16, 1291959720), (18, 1148408640), (19, 1087966080), (20, 1033567776), (24, 861306480), (27, 765605760), (30, 689045184), (31, 666817920), (32, 645979860), (36, 574204320), (38, 543983040), (40, 516783888), (45, 459363456), (48, 430653240), (54, 382802880), (57, 362655360), (60, 344522592), (62, 333408960), (64, 322989930), (72, 287102160), (76, 271991520), (80, 258391944), (81, 255201920), (90, 229681728), (93, 222272640), (95, 217593216), (96, 215326620), (108, 191401440), (114, 181327680), (120, 172261296), (124, 166704480), (128, 161494965), (135, 153121152), (144, 143551080), (152, 135995760), (155, 133363584), (160, 129195972), (162, 127600960), (171, 120885120), (180, 114840864), (186, 111136320), (190, 108796608), (192, 107663310), (216, 95700720), (228, 90663840), (240, 86130648), (248, 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(1539, 13431680), (1620, 12760096), (1674, 12348480), (1710, 12088512), (1728, 11962590), (1767, 11698560), (1824, 11332980), (1860, 11113632), (1920, 10766331), (1984, 10419030), (2031, 10177920), (2052, 10073760), (2160, 9570072), (2232, 9261360), (2280, 9066384), (2356, 8773920), (2432, 8499735), (2480, 8335224), (2511, 8232320), (2565, 8059008), (2592, 7975060), (2708, 7633440), (2736, 7555320), (2790, 7409088), (2880, 7177554), (2945, 7019136), (2976, 6946020), (3040, 6799788), (3078, 6715840), (3240, 6380048), (3348, 6174240), (3385, 6106752), (3420, 6044256), (3456, 5981295), (3534, 5849280), (3648, 5666490), (3720, 5556816), (3968, 5209515), (4062, 5088960), (4104, 5036880), (4185, 4939392), (4320, 4785036), (4464, 4630680), (4560, 4533192), (4712, 4386960), (4960, 4167612), (5022, 4116160), (5130, 4029504), (5184, 3987530), (5301, 3899520), (5416, 3816720), (5472, 3777660), (5580, 3704544), (5760, 3588777), (5890, 3509568), (5952, 3473010), (6080, 3399894), (6093, 3392640), (6156, 3357920), (6480, 3190024), (6696, 3087120), (6770, 3053376), (6840, 3022128), (7068, 2924640), (7296, 2833245), (7440, 2778408), (7695, 2686336), (8124, 2544480), (8208, 2518440), (8370, 2469696), (8640, 2392518), (8835, 2339712), (8928, 2315340), (9120, 2266596), (9424, 2193480), (9920, 2083806), (10044, 2058080), (10155, 2035584), (10260, 2014752), (10368, 1993765), (10602, 1949760), (10832, 1908360), (10944, 1888830), (11160, 1852272), (11780, 1754784), (11904, 1736505), (12160, 1699947), (12186, 1696320), (12312, 1678960), (12555, 1646464), (12863, 1607040), (12960, 1595012), (13392, 1543560), (13540, 1526688), (13680, 1511064), (14136, 1462320), (14880, 1389204), (15390, 1343168), (15903, 1299840), (16248, 1272240), (16416, 1259220), (16740, 1234848), (17280, 1196259), (17670, 1169856), (17856, 1157670), (18240, 1133298), (18279, 1130880), (18848, 1096740), (19840, 1041903), (20088, 1029040), (20310, 1017792), (20520, 1007376), (20987, 984960), (21204, 974880), (21664, 954180), (21888, 944415), (22320, 926136), (23560, 877392), (24372, 848160), (24624, 839480), (25110, 823232), (25726, 803520), (25920, 797506), (26505, 779904), (26784, 771780), (27080, 763344), (27360, 755532), (28272, 731160), (29760, 694602), (30465, 678528), (30780, 671584), (31806, 649920), (32496, 636120), (32832, 629610), (33480, 617424), (35340, 584928), (35712, 578835), (36480, 566649), (36558, 565440), (37696, 548370), (38589, 535680), (40176, 514520), (40620, 508896), (41040, 503688), (41974, 492480), (42408, 487440), (43328, 477090), (44640, 463068), (47120, 438696), (47709, 433280), (48744, 424080), (49248, 419740), (50220, 411616), (51452, 401760), (51840, 398753), (53010, 389952), (53568, 385890), (54160, 381672), (54720, 377766), (54837, 376960), (56544, 365580), (59520, 347301), (60930, 339264), (61560, 335792), (62961, 328320), (63612, 324960), (64315, 321408), (64992, 318060), (65664, 314805), (66960, 308712), (70680, 292464), (73116, 282720), (75392, 274185), (77178, 267840), (79515, 259968), (80352, 257260), (81240, 254448), (82080, 251844), (83948, 246240), (84816, 243720), (86656, 238545), (89280, 231534), (91395, 226176), (94240, 219348), (95418, 216640), (97488, 212040), (98496, 209870), (100440, 205808), (102904, 200880), (104935, 196992), (106020, 194976), (107136, 192945), (108320, 190836), (109440, 188883), (109674, 188480), (113088, 182790), (115767, 178560), (121860, 169632), (123120, 167896), (125922, 164160), (127224, 162480), (128630, 160704), (129984, 159030), (133920, 154356), (141360, 146232)]