20996651520

素因数分解:

$2^9\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7789}}^1$

素因数の和:7837

約数の個数: 400

約数和(自身を含む): 80998643880

約数和(自身を除く): 60001992360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 81, 90, 96, 104, 108, 117, 120, 128, 130, 135, 144, 156, 160, 162, 180, 192, 195, 208, 216, 234, 240, 256, 260, 270, 288, 312, 320, 324, 351, 360, 384, 390, 405, 416, 432, 468, 480, 512, 520, 540, 576, 585, 624, 640, 648, 702, 720, 768, 780, 810, 832, 864, 936, 960, 1040, 1053, 1080, 1152, 1170, 1248, 1280, 1296, 1404, 1440, 1536, 1560, 1620, 1664, 1728, 1755, 1872, 1920, 2080, 2106, 2160, 2304, 2340, 2496, 2560, 2592, 2808, 2880, 3120, 3240, 3328, 3456, 3510, 3744, 3840, 4160, 4212, 4320, 4608, 4680, 4992, 5184, 5265, 5616, 5760, 6240, 6480, 6656, 6912, 7020, 7488, 7680, 7789, 8320, 8424, 8640, 9360, 9984, 10368, 10530, 11232, 11520, 12480, 12960, 13824, 14040, 14976, 15578, 16640, 16848, 17280, 18720, 19968, 20736, 21060, 22464, 23040, 23367, 24960, 25920, 28080, 29952, 31156, 33280, 33696, 34560, 37440, 38945, 41472, 42120, 44928, 46734, 49920, 51840, 56160, 59904, 62312, 67392, 69120, 70101, 74880, 77890, 84240, 89856, 93468, 99840, 101257, 103680, 112320, 116835, 124624, 134784, 140202, 149760, 155780, 168480, 179712, 186936, 202514, 207360, 210303, 224640, 233670, 249248, 269568, 280404, 299520, 303771, 311560, 336960, 350505, 373872, 405028, 420606, 449280, 467340, 498496, 506285, 539136, 560808, 607542, 623120, 630909, 673920, 701010, 747744, 810056, 841212, 898560, 911313, 934680, 996992, 1012570, 1051515, 1121616, 1215084, 1246240, 1261818, 1347840, 1402020, 1495488, 1518855, 1620112, 1682424, 1822626, 1869360, 1993984, 2025140, 2103030, 2243232, 2430168, 2492480, 2523636, 2695680, 2733939, 2804040, 2990976, 3037710, 3154545, 3240224, 3364848, 3645252, 3738720, 3987968, 4050280, 4206060, 4486464, 4556565, 4860336, 4984960, 5047272, 5467878, 5608080, 5981952, 6075420, 6309090, 6480448, 6729696, 7290504, 7477440, 8100560, 8201817, 8412120, 8972928, 9113130, 9720672, 9969920, 10094544, 10935756, 11216160, 11963904, 12150840, 12618180, 12960896, 13459392, 13669695, 14581008, 14954880, 16201120, 16403634, 16824240, 17945856, 18226260, 19441344, 19939840, 20189088, 21871512, 22432320, 24301680, 25236360, 25921792, 26918784, 27339390, 29162016, 29909760, 32402240, 32807268, 33648480, 35891712, 36452520, 38882688, 40378176, 41009085, 43743024, 44864640, 48603360, 50472720, 51843584, 53837568, 54678780, 58324032, 59819520, 64804480, 65614536, 67296960, 72905040, 77765376, 80756352, 82018170, 87486048, 89729280, 97206720, 100945440, 107675136, 109357560, 116648064, 129608960, 131229072, 134593920, 145810080, 155530752, 161512704, 164036340, 174972096, 179458560, 194413440, 201890880, 218715120, 233296128, 259217920, 262458144, 269187840, 291620160, 323025408, 328072680, 349944192, 388826880, 403781760, 437430240, 466592256, 524916288, 538375680, 583240320, 656145360, 699888384, 777653760, 807563520, 874860480, 1049832576, 1166480640, 1312290720, 1399776768, 1615127040, 1749720960, 2099665152, 2332961280, 2624581440, 3499441920, 4199330304, 5249162880, 6998883840, 10498325760, 20996651520]

約数ペア:

[(1, 20996651520), (2, 10498325760), (3, 6998883840), (4, 5249162880), (5, 4199330304), (6, 3499441920), (8, 2624581440), (9, 2332961280), (10, 2099665152), (12, 1749720960), (13, 1615127040), (15, 1399776768), (16, 1312290720), (18, 1166480640), (20, 1049832576), (24, 874860480), (26, 807563520), (27, 777653760), (30, 699888384), (32, 656145360), (36, 583240320), (39, 538375680), (40, 524916288), (45, 466592256), (48, 437430240), (52, 403781760), (54, 388826880), (60, 349944192), (64, 328072680), (65, 323025408), (72, 291620160), (78, 269187840), (80, 262458144), (81, 259217920), (90, 233296128), (96, 218715120), (104, 201890880), (108, 194413440), (117, 179458560), (120, 174972096), (128, 164036340), (130, 161512704), (135, 155530752), (144, 145810080), (156, 134593920), (160, 131229072), (162, 129608960), (180, 116648064), (192, 109357560), (195, 107675136), (208, 100945440), (216, 97206720), (234, 89729280), (240, 87486048), (256, 82018170), (260, 80756352), (270, 77765376), (288, 72905040), (312, 67296960), (320, 65614536), (324, 64804480), (351, 59819520), (360, 58324032), (384, 54678780), (390, 53837568), (405, 51843584), (416, 50472720), (432, 48603360), (468, 44864640), (480, 43743024), (512, 41009085), (520, 40378176), (540, 38882688), (576, 36452520), (585, 35891712), (624, 33648480), (640, 32807268), (648, 32402240), (702, 29909760), (720, 29162016), (768, 27339390), (780, 26918784), (810, 25921792), (832, 25236360), (864, 24301680), (936, 22432320), (960, 21871512), (1040, 20189088), (1053, 19939840), (1080, 19441344), (1152, 18226260), (1170, 17945856), (1248, 16824240), (1280, 16403634), (1296, 16201120), (1404, 14954880), (1440, 14581008), (1536, 13669695), (1560, 13459392), (1620, 12960896), (1664, 12618180), (1728, 12150840), (1755, 11963904), (1872, 11216160), (1920, 10935756), (2080, 10094544), (2106, 9969920), (2160, 9720672), (2304, 9113130), (2340, 8972928), (2496, 8412120), (2560, 8201817), (2592, 8100560), (2808, 7477440), (2880, 7290504), (3120, 6729696), (3240, 6480448), (3328, 6309090), (3456, 6075420), (3510, 5981952), (3744, 5608080), (3840, 5467878), (4160, 5047272), (4212, 4984960), (4320, 4860336), (4608, 4556565), (4680, 4486464), (4992, 4206060), (5184, 4050280), (5265, 3987968), (5616, 3738720), (5760, 3645252), (6240, 3364848), (6480, 3240224), (6656, 3154545), (6912, 3037710), (7020, 2990976), (7488, 2804040), (7680, 2733939), (7789, 2695680), (8320, 2523636), (8424, 2492480), (8640, 2430168), (9360, 2243232), (9984, 2103030), (10368, 2025140), (10530, 1993984), (11232, 1869360), (11520, 1822626), (12480, 1682424), (12960, 1620112), (13824, 1518855), (14040, 1495488), (14976, 1402020), (15578, 1347840), (16640, 1261818), (16848, 1246240), (17280, 1215084), (18720, 1121616), (19968, 1051515), (20736, 1012570), (21060, 996992), (22464, 934680), (23040, 911313), (23367, 898560), (24960, 841212), (25920, 810056), (28080, 747744), (29952, 701010), (31156, 673920), (33280, 630909), (33696, 623120), (34560, 607542), (37440, 560808), (38945, 539136), (41472, 506285), (42120, 498496), (44928, 467340), (46734, 449280), (49920, 420606), (51840, 405028), (56160, 373872), (59904, 350505), (62312, 336960), (67392, 311560), (69120, 303771), (70101, 299520), (74880, 280404), (77890, 269568), (84240, 249248), (89856, 233670), (93468, 224640), (99840, 210303), (101257, 207360), (103680, 202514), (112320, 186936), (116835, 179712), (124624, 168480), (134784, 155780), (140202, 149760)]