80113920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{673}}^1$

素因数の和:728

約数の個数: 144

約数和(自身を含む): 264509952

約数和(自身を除く): 184396032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 256, 310, 320, 372, 384, 465, 480, 496, 620, 640, 673, 744, 768, 930, 960, 992, 1240, 1280, 1346, 1488, 1860, 1920, 1984, 2019, 2480, 2692, 2976, 3365, 3720, 3840, 3968, 4038, 4960, 5384, 5952, 6730, 7440, 7936, 8076, 9920, 10095, 10768, 11904, 13460, 14880, 16152, 19840, 20190, 20863, 21536, 23808, 26920, 29760, 32304, 39680, 40380, 41726, 43072, 53840, 59520, 62589, 64608, 80760, 83452, 86144, 104315, 107680, 119040, 125178, 129216, 161520, 166904, 172288, 208630, 215360, 250356, 258432, 312945, 323040, 333808, 417260, 430720, 500712, 516864, 625890, 646080, 667616, 834520, 861440, 1001424, 1251780, 1292160, 1335232, 1669040, 2002848, 2503560, 2584320, 2670464, 3338080, 4005696, 5007120, 5340928, 6676160, 8011392, 10014240, 13352320, 16022784, 20028480, 26704640, 40056960, 80113920]

約数ペア:

[(1, 80113920), (2, 40056960), (3, 26704640), (4, 20028480), (5, 16022784), (6, 13352320), (8, 10014240), (10, 8011392), (12, 6676160), (15, 5340928), (16, 5007120), (20, 4005696), (24, 3338080), (30, 2670464), (31, 2584320), (32, 2503560), (40, 2002848), (48, 1669040), (60, 1335232), (62, 1292160), (64, 1251780), (80, 1001424), (93, 861440), (96, 834520), (120, 667616), (124, 646080), (128, 625890), (155, 516864), (160, 500712), (186, 430720), (192, 417260), (240, 333808), (248, 323040), (256, 312945), (310, 258432), (320, 250356), (372, 215360), (384, 208630), (465, 172288), (480, 166904), (496, 161520), (620, 129216), (640, 125178), (673, 119040), (744, 107680), (768, 104315), (930, 86144), (960, 83452), (992, 80760), (1240, 64608), (1280, 62589), (1346, 59520), (1488, 53840), (1860, 43072), (1920, 41726), (1984, 40380), (2019, 39680), (2480, 32304), (2692, 29760), (2976, 26920), (3365, 23808), (3720, 21536), (3840, 20863), (3968, 20190), (4038, 19840), (4960, 16152), (5384, 14880), (5952, 13460), (6730, 11904), (7440, 10768), (7936, 10095), (8076, 9920)]