20086571520

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28123}}^1$

素因数の和:28183

約数の個数: 240

約数和(自身を含む): 71812046592

約数和(自身を除く): 51725475072

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 128, 144, 155, 160, 180, 186, 192, 240, 248, 256, 279, 288, 310, 320, 360, 372, 384, 465, 480, 496, 512, 558, 576, 620, 640, 720, 744, 768, 930, 960, 992, 1116, 1152, 1240, 1280, 1395, 1440, 1488, 1536, 1860, 1920, 1984, 2232, 2304, 2480, 2560, 2790, 2880, 2976, 3720, 3840, 3968, 4464, 4608, 4960, 5580, 5760, 5952, 7440, 7680, 7936, 8928, 9920, 11160, 11520, 11904, 14880, 15872, 17856, 19840, 22320, 23040, 23808, 28123, 29760, 35712, 39680, 44640, 47616, 56246, 59520, 71424, 79360, 84369, 89280, 112492, 119040, 140615, 142848, 168738, 178560, 224984, 238080, 253107, 281230, 337476, 357120, 421845, 449968, 506214, 562460, 674952, 714240, 843690, 871813, 899936, 1012428, 1124920, 1265535, 1349904, 1687380, 1743626, 1799872, 2024856, 2249840, 2531070, 2615439, 2699808, 3374760, 3487252, 3599744, 4049712, 4359065, 4499680, 5062140, 5230878, 5399616, 6749520, 6974504, 7199488, 7846317, 8099424, 8718130, 8999360, 10124280, 10461756, 10799232, 13077195, 13499040, 13949008, 14398976, 15692634, 16198848, 17436260, 17998720, 20248560, 20923512, 21598464, 26154390, 26998080, 27898016, 31385268, 32397696, 34872520, 35997440, 39231585, 40497120, 41847024, 43196928, 52308780, 53996160, 55796032, 62770536, 64795392, 69745040, 71994880, 78463170, 80994240, 83694048, 104617560, 107992320, 111592064, 125541072, 129590784, 139490080, 156926340, 161988480, 167388096, 209235120, 215984640, 223184128, 251082144, 278980160, 313852680, 323976960, 334776192, 418470240, 446368256, 502164288, 557960320, 627705360, 647953920, 669552384, 836940480, 1004328576, 1115920640, 1255410720, 1339104768, 1673880960, 2008657152, 2231841280, 2510821440, 3347761920, 4017314304, 5021642880, 6695523840, 10043285760, 20086571520]

約数ペア:

[(1, 20086571520), (2, 10043285760), (3, 6695523840), (4, 5021642880), (5, 4017314304), (6, 3347761920), (8, 2510821440), (9, 2231841280), (10, 2008657152), (12, 1673880960), (15, 1339104768), (16, 1255410720), (18, 1115920640), (20, 1004328576), (24, 836940480), (30, 669552384), (31, 647953920), (32, 627705360), (36, 557960320), (40, 502164288), (45, 446368256), (48, 418470240), (60, 334776192), (62, 323976960), (64, 313852680), (72, 278980160), (80, 251082144), (90, 223184128), (93, 215984640), (96, 209235120), (120, 167388096), (124, 161988480), (128, 156926340), (144, 139490080), (155, 129590784), (160, 125541072), (180, 111592064), (186, 107992320), (192, 104617560), (240, 83694048), (248, 80994240), (256, 78463170), (279, 71994880), (288, 69745040), (310, 64795392), (320, 62770536), (360, 55796032), (372, 53996160), (384, 52308780), (465, 43196928), (480, 41847024), (496, 40497120), (512, 39231585), (558, 35997440), (576, 34872520), (620, 32397696), (640, 31385268), (720, 27898016), (744, 26998080), (768, 26154390), (930, 21598464), (960, 20923512), (992, 20248560), (1116, 17998720), (1152, 17436260), (1240, 16198848), (1280, 15692634), (1395, 14398976), (1440, 13949008), (1488, 13499040), (1536, 13077195), (1860, 10799232), (1920, 10461756), (1984, 10124280), (2232, 8999360), (2304, 8718130), (2480, 8099424), (2560, 7846317), (2790, 7199488), (2880, 6974504), (2976, 6749520), (3720, 5399616), (3840, 5230878), (3968, 5062140), (4464, 4499680), (4608, 4359065), (4960, 4049712), (5580, 3599744), (5760, 3487252), (5952, 3374760), (7440, 2699808), (7680, 2615439), (7936, 2531070), (8928, 2249840), (9920, 2024856), (11160, 1799872), (11520, 1743626), (11904, 1687380), (14880, 1349904), (15872, 1265535), (17856, 1124920), (19840, 1012428), (22320, 899936), (23040, 871813), (23808, 843690), (28123, 714240), (29760, 674952), (35712, 562460), (39680, 506214), (44640, 449968), (47616, 421845), (56246, 357120), (59520, 337476), (71424, 281230), (79360, 253107), (84369, 238080), (89280, 224984), (112492, 178560), (119040, 168738), (140615, 142848)]