1289575680

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{673}}^1$

素因数の和:1196

約数の個数: 144

約数和(自身を含む): 4132968000

約数和(自身を除く): 2843392320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 499, 640, 673, 768, 960, 998, 1280, 1346, 1497, 1920, 1996, 2019, 2495, 2692, 2994, 3365, 3840, 3992, 4038, 4990, 5384, 5988, 6730, 7485, 7984, 8076, 9980, 10095, 10768, 11976, 13460, 14970, 15968, 16152, 19960, 20190, 21536, 23952, 26920, 29940, 31936, 32304, 39920, 40380, 43072, 47904, 53840, 59880, 63872, 64608, 79840, 80760, 86144, 95808, 107680, 119760, 127744, 129216, 159680, 161520, 172288, 191616, 215360, 239520, 258432, 319360, 323040, 335827, 383232, 430720, 479040, 516864, 638720, 646080, 671654, 861440, 958080, 1007481, 1292160, 1343308, 1679135, 1916160, 2014962, 2584320, 2686616, 3358270, 4029924, 5037405, 5373232, 6716540, 8059848, 10074810, 10746464, 13433080, 16119696, 20149620, 21492928, 26866160, 32239392, 40299240, 42985856, 53732320, 64478784, 80598480, 85971712, 107464640, 128957568, 161196960, 214929280, 257915136, 322393920, 429858560, 644787840, 1289575680]

約数ペア:

[(1, 1289575680), (2, 644787840), (3, 429858560), (4, 322393920), (5, 257915136), (6, 214929280), (8, 161196960), (10, 128957568), (12, 107464640), (15, 85971712), (16, 80598480), (20, 64478784), (24, 53732320), (30, 42985856), (32, 40299240), (40, 32239392), (48, 26866160), (60, 21492928), (64, 20149620), (80, 16119696), (96, 13433080), (120, 10746464), (128, 10074810), (160, 8059848), (192, 6716540), (240, 5373232), (256, 5037405), (320, 4029924), (384, 3358270), (480, 2686616), (499, 2584320), (640, 2014962), (673, 1916160), (768, 1679135), (960, 1343308), (998, 1292160), (1280, 1007481), (1346, 958080), (1497, 861440), (1920, 671654), (1996, 646080), (2019, 638720), (2495, 516864), (2692, 479040), (2994, 430720), (3365, 383232), (3840, 335827), (3992, 323040), (4038, 319360), (4990, 258432), (5384, 239520), (5988, 215360), (6730, 191616), (7485, 172288), (7984, 161520), (8076, 159680), (9980, 129216), (10095, 127744), (10768, 119760), (11976, 107680), (13460, 95808), (14970, 86144), (15968, 80760), (16152, 79840), (19960, 64608), (20190, 63872), (21536, 59880), (23952, 53840), (26920, 47904), (29940, 43072), (31936, 40380), (32304, 39920)]