20129487840

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:296

約数の個数: 1152

約数和(自身を含む): 92726000640

約数和(自身を除く): 72596512800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 20, 21, 22, 24, 28, 30, 32, 33, 34, 35, 36, 40, 42, 44, 45, 48, 51, 55, 56, 59, 60, 63, 66, 68, 70, 72, 77, 80, 84, 85, 88, 90, 96, 99, 102, 105, 110, 112, 118, 119, 120, 126, 132, 136, 140, 144, 153, 154, 160, 165, 168, 170, 176, 177, 180, 181, 187, 198, 204, 210, 220, 224, 231, 236, 238, 240, 252, 255, 264, 272, 280, 288, 295, 306, 308, 315, 330, 336, 340, 352, 354, 357, 360, 362, 374, 385, 396, 408, 413, 420, 440, 462, 472, 476, 480, 495, 504, 510, 528, 531, 543, 544, 560, 561, 590, 595, 612, 616, 630, 649, 660, 672, 680, 693, 708, 714, 720, 724, 748, 765, 770, 792, 816, 826, 840, 880, 885, 905, 924, 935, 944, 952, 990, 1003, 1008, 1020, 1056, 1062, 1071, 1086, 1120, 1122, 1155, 1180, 1190, 1224, 1232, 1239, 1260, 1267, 1298, 1309, 1320, 1360, 1386, 1416, 1428, 1440, 1448, 1496, 1530, 1540, 1584, 1629, 1632, 1652, 1680, 1683, 1760, 1770, 1785, 1810, 1848, 1870, 1888, 1904, 1947, 1980, 1991, 2006, 2016, 2040, 2065, 2124, 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101664080, 107644320, 111212640, 111830488, 113725920, 114372090, 118408752, 119818380, 121996896, 125809299, 130710960, 131565280, 139788110, 143782056, 148010940, 152496120, 159757840, 167745732, 169155360, 170588880, 179727570, 182995344, 191709408, 197347920, 203328160, 209682165, 223660976, 228744180, 236817504, 239636760, 251618598, 261421920, 279576220, 287564112, 296021880, 304992240, 319515680, 335491464, 341177760, 359455140, 365990688, 394695840, 419364330, 447321952, 457488360, 479273520, 503237196, 559152440, 575128224, 592043760, 609984480, 629046495, 670982928, 718910280, 838728660, 914976720, 958547040, 1006474392, 1118304880, 1184087520, 1258092990, 1341965856, 1437820560, 1677457320, 1829953440, 2012948784, 2236609760, 2516185980, 2875641120, 3354914640, 4025897568, 5032371960, 6709829280, 10064743920, 20129487840]

約数ペア:

[(1, 20129487840), (2, 10064743920), (3, 6709829280), (4, 5032371960), (5, 4025897568), (6, 3354914640), (7, 2875641120), (8, 2516185980), (9, 2236609760), (10, 2012948784), (11, 1829953440), (12, 1677457320), (14, 1437820560), (15, 1341965856), (16, 1258092990), (17, 1184087520), (18, 1118304880), (20, 1006474392), (21, 958547040), (22, 914976720), (24, 838728660), (28, 718910280), (30, 670982928), (32, 629046495), (33, 609984480), (34, 592043760), (35, 575128224), (36, 559152440), (40, 503237196), (42, 479273520), (44, 457488360), (45, 447321952), (48, 419364330), (51, 394695840), (55, 365990688), (56, 359455140), (59, 341177760), (60, 335491464), (63, 319515680), (66, 304992240), (68, 296021880), (70, 287564112), (72, 279576220), (77, 261421920), (80, 251618598), (84, 239636760), (85, 236817504), (88, 228744180), (90, 223660976), (96, 209682165), (99, 203328160), (102, 197347920), (105, 191709408), (110, 182995344), (112, 179727570), (118, 170588880), (119, 169155360), (120, 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(528, 38124030), (531, 37908640), (543, 37070880), (544, 37002735), (560, 35945514), (561, 35881440), (590, 34117776), (595, 33831072), (612, 32891320), (616, 32677740), (630, 31951568), (649, 31016160), (660, 30499224), (672, 29954595), (680, 29602188), (693, 29046880), (708, 28431480), (714, 28192560), (720, 27957622), (724, 27803160), (748, 26911080), (765, 26313056), (770, 26142192), (792, 25416020), (816, 24668490), (826, 24369840), (840, 23963676), (880, 22874418), (885, 22745184), (905, 22242528), (924, 21785160), (935, 21528864), (944, 21323610), (952, 21144420), (990, 20332816), (1003, 20069280), (1008, 19969730), (1020, 19734792), (1056, 19062015), (1062, 18954320), (1071, 18795040), (1086, 18535440), (1120, 17972757), (1122, 17940720), (1155, 17428128), (1180, 17058888), (1190, 16915536), (1224, 16445660), (1232, 16338870), (1239, 16246560), (1260, 15975784), (1267, 15887520), (1298, 15508080), (1309, 15377760), (1320, 15249612), (1360, 14801094), (1386, 14523440), (1416, 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