About the Number

2688651000640

2688651000639 ← → 2688651000641

2進数表記:100111001000000000000101100111101101000000

漢数字表記:二兆六千八百八十六億五千百万六百四十

素因数分解:

2 6 × 5 1 × 11 1 × 31 1 × 127 1 × 131 1 × 1481 1

素因数の和:1798
約数の個数: 448
約数和(自身を含む): 7326866866176
約数和(自身を除く): 4638215865536

約数列:
[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 127, 131, 155, 160, 176, 220, 248, 254, 262, 310, 320, 341, 352, 440, 496, 508, 524, 620, 635, 655, 682, 704, 880, 992, 1016, 1048, 1240, 1270, 1310, 1364, 1397, 1441, 1481, 1705, 1760, 1984, 2032, 2096, 2480, 2540, 2620, 2728, 2794, 2882, 2962, 3410, 3520, 3937, 4061, 4064, 4192, 4960, 5080, 5240, 5456, 5588, 5764, 5924, 6820, 6985, 7205, 7405, 7874, 8122, 8128, 8384, 9920, 10160, 10480, 10912, 11176, 11528, 11848, 13640, 13970, 14410, 14810, 15748, 16244, 16291, 16637, 19685, 20305, 20320, 20960, 21824, 22352, 23056, 23696, 27280, 27940, 28820, 29620, 31496, 32488, 32582, 33274, 39370, 40610, 40640, 41920, 43307, 44671, 44704, 45911, 46112, 47392, 54560, 55880, 57640, 59240, 62992, 64976, 65164, 66548, 78740, 81220, 81455, 83185, 86614, 89342, 89408, 91822, 92224, 94784, 109120, 111760, 115280, 118480, 125984, 129952, 130328, 133096, 157480, 162440, 162910, 166370, 173228, 178684, 183007, 183644, 188087, 194011, 216535, 223355, 223520, 229555, 230560, 236960, 251968, 259904, 260656, 266192, 314960, 324880, 325820, 332740, 346456, 357368, 366014, 367288, 376174, 388022, 433070, 446710, 447040, 459110, 461120, 473920, 505021, 515747, 521312, 532384, 629920, 649760, 651640, 665480, 692912, 714736, 732028, 734576, 752348, 776044, 866140, 893420, 915035, 918220, 940435, 970055, 1010042, 1031494, 1042624, 1064768, 1259840, 1299520, 1303280, 1330960, 1385824, 1429472, 1464056, 1469152, 1504696, 1552088, 1732280, 1786840, 1830070, 1836440, 1880870, 1940110, 2020084, 2062988, 2068957, 2134121, 2525105, 2578735, 2606560, 2661920, 2771648, 2858944, 2928112, 2938304, 3009392, 3104176, 3464560, 3573680, 3660140, 3672880, 3761740, 3880220, 4040168, 4125976, 4137914, 4268242, 5050210, 5157470, 5213120, 5323840, 5673217, 5830697, 5856224, 6014341, 6018784, 6208352, 6929120, 7147360, 7320280, 7345760, 7523480, 7760440, 8080336, 8251952, 8275828, 8536484, 10100420, 10314940, 10344785, 10670605, 11346434, 11661394, 11712448, 12028682, 12037568, 12416704, 13858240, 14294720, 14640560, 14691520, 15046960, 15520880, 16160672, 16503904, 16551656, 17072968, 20200840, 20629880, 20689570, 21341210, 22692868, 23322788, 24057364, 24639397, 28366085, 29153485, 29281120, 30071705, 30093920, 31041760, 32321344, 33007808, 33103312, 34145936, 40401680, 41259760, 41379140, 42682420, 45385736, 46645576, 48114728, 49278794, 56732170, 58306970, 58562240, 60143410, 60187840, 62083520, 64137667, 66157751, 66206624, 68291872, 80803360, 82519520, 82758280, 85364840, 90771472, 93291152, 96229456, 98557588, 113464340, 116613940, 120286820, 123196985, 128275334, 132315502, 132413248, 136583744, 161606720, 165039040, 165516560, 170729680, 181542944, 186582304, 192458912, 197115176, 226928680, 233227880, 240573640, 246393970, 256550668, 264631004, 271033367, 320688335, 330788755, 331033120, 341459360, 363085888, 373164608, 384917824, 394230352, 453857360, 466455760, 481147280, 492787940, 513101336, 529262008, 542066734, 641376670, 661577510, 662066240, 682918720, 763821307, 788460704, 907714720, 932911520, 962294560, 985575880, 1026202672, 1058524016, 1084133468, 1282753340, 1323155020, 1355166835, 1527642614, 1576921408, 1815429440, 1865823040, 1924589120, 1971151760, 2052405344, 2117048032, 2168266936, 2565506680, 2646310040, 2710333670, 3055285228, 3819106535, 3942303520, 4104810688, 4234096064, 4336533872, 5131013360, 5292620080, 5420667340, 6110570456, 7638213070, 7884607040, 8402034377, 8673067744, 10262026720, 10585240160, 10841334680, 12221140912, 15276426140, 16804068754, 17346135488, 20524053440, 21170480320, 21682669360, 24442281824, 30552852280, 33608137508, 42010171885, 43365338720, 48884563648, 61105704560, 67216275016, 84020343770, 86730677440, 122211409120, 134432550032, 168040687540, 244422818240, 268865100064, 336081375080, 537730200128, 672162750160, 1344325500320, 2688651000640]

約数ペア:
[(1, 2688651000640), (2, 1344325500320), (4, 672162750160), (5, 537730200128), (8, 336081375080), (10, 268865100064), (11, 244422818240), (16, 168040687540), (20, 134432550032), (22, 122211409120), (31, 86730677440), (32, 84020343770), (40, 67216275016), (44, 61105704560), (55, 48884563648), (62, 43365338720), (64, 42010171885), (80, 33608137508), (88, 30552852280), (110, 24442281824), (124, 21682669360), (127, 21170480320), (131, 20524053440), (155, 17346135488), (160, 16804068754), (176, 15276426140), (220, 12221140912), (248, 10841334680), (254, 10585240160), (262, 10262026720), (310, 8673067744), (320, 8402034377), (341, 7884607040), (352, 7638213070), (440, 6110570456), (496, 5420667340), (508, 5292620080), (524, 5131013360), (620, 4336533872), (635, 4234096064), (655, 4104810688), (682, 3942303520), (704, 3819106535), (880, 3055285228), (992, 2710333670), (1016, 2646310040), (1048, 2565506680), (1240, 2168266936), (1270, 2117048032), (1310, 2052405344), (1364, 1971151760), (1397, 1924589120), (1441, 1865823040), (1481, 1815429440), (1705, 1576921408), (1760, 1527642614), (1984, 1355166835), (2032, 1323155020), (2096, 1282753340), (2480, 1084133468), (2540, 1058524016), (2620, 1026202672), (2728, 985575880), (2794, 962294560), (2882, 932911520), (2962, 907714720), (3410, 788460704), (3520, 763821307), (3937, 682918720), (4061, 662066240), (4064, 661577510), (4192, 641376670), (4960, 542066734), (5080, 529262008), (5240, 513101336), (5456, 492787940), (5588, 481147280), (5764, 466455760), (5924, 453857360), (6820, 394230352), (6985, 384917824), (7205, 373164608), (7405, 363085888), (7874, 341459360), (8122, 331033120), (8128, 330788755), (8384, 320688335), (9920, 271033367), (10160, 264631004), (10480, 256550668), (10912, 246393970), (11176, 240573640), (11528, 233227880), (11848, 226928680), (13640, 197115176), (13970, 192458912), (14410, 186582304), (14810, 181542944), (15748, 170729680), (16244, 165516560), (16291, 165039040), (16637, 161606720), (19685, 136583744), (20305, 132413248), (20320, 132315502), (20960, 128275334), (21824, 123196985), (22352, 120286820), (23056, 116613940), (23696, 113464340), (27280, 98557588), (27940, 96229456), (28820, 93291152), (29620, 90771472), (31496, 85364840), (32488, 82758280), (32582, 82519520), (33274, 80803360), (39370, 68291872), (40610, 66206624), (40640, 66157751), (41920, 64137667), (43307, 62083520), (44671, 60187840), (44704, 60143410), (45911, 58562240), (46112, 58306970), (47392, 56732170), (54560, 49278794), (55880, 48114728), (57640, 46645576), (59240, 45385736), (62992, 42682420), (64976, 41379140), (65164, 41259760), (66548, 40401680), (78740, 34145936), (81220, 33103312), (81455, 33007808), (83185, 32321344), (86614, 31041760), (89342, 30093920), (89408, 30071705), (91822, 29281120), (92224, 29153485), (94784, 28366085), (109120, 24639397), (111760, 24057364), (115280, 23322788), (118480, 22692868), (125984, 21341210), (129952, 20689570), (130328, 20629880), (133096, 20200840), (157480, 17072968), (162440, 16551656), (162910, 16503904), (166370, 16160672), (173228, 15520880), (178684, 15046960), (183007, 14691520), (183644, 14640560), (188087, 14294720), (194011, 13858240), (216535, 12416704), (223355, 12037568), (223520, 12028682), (229555, 11712448), (230560, 11661394), (236960, 11346434), (251968, 10670605), (259904, 10344785), (260656, 10314940), (266192, 10100420), (314960, 8536484), (324880, 8275828), (325820, 8251952), (332740, 8080336), (346456, 7760440), (357368, 7523480), (366014, 7345760), (367288, 7320280), (376174, 7147360), (388022, 6929120), (433070, 6208352), (446710, 6018784), (447040, 6014341), (459110, 5856224), (461120, 5830697), (473920, 5673217), (505021, 5323840), (515747, 5213120), (521312, 5157470), (532384, 5050210), (629920, 4268242), (649760, 4137914), (651640, 4125976), (665480, 4040168), (692912, 3880220), (714736, 3761740), (732028, 3672880), (734576, 3660140), (752348, 3573680), (776044, 3464560), (866140, 3104176), (893420, 3009392), (915035, 2938304), (918220, 2928112), (940435, 2858944), (970055, 2771648), (1010042, 2661920), (1031494, 2606560), (1042624, 2578735), (1064768, 2525105), (1259840, 2134121), (1299520, 2068957), (1303280, 2062988), (1330960, 2020084), (1385824, 1940110), (1429472, 1880870), (1464056, 1836440), (1469152, 1830070), (1504696, 1786840), (1552088, 1732280)]

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