76877680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{439}}^1$

素因数の和:662

約数の個数: 80

約数和(自身を含む): 196416000

約数和(自身を除く): 119538320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 199, 220, 398, 439, 440, 796, 878, 880, 995, 1592, 1756, 1990, 2189, 2195, 3184, 3512, 3980, 4378, 4390, 4829, 7024, 7960, 8756, 8780, 9658, 10945, 15920, 17512, 17560, 19316, 21890, 24145, 35024, 35120, 38632, 43780, 48290, 77264, 87361, 87560, 96580, 174722, 175120, 193160, 349444, 386320, 436805, 698888, 873610, 960971, 1397776, 1747220, 1921942, 3494440, 3843884, 4804855, 6988880, 7687768, 9609710, 15375536, 19219420, 38438840, 76877680]

約数ペア:

[(1, 76877680), (2, 38438840), (4, 19219420), (5, 15375536), (8, 9609710), (10, 7687768), (11, 6988880), (16, 4804855), (20, 3843884), (22, 3494440), (40, 1921942), (44, 1747220), (55, 1397776), (80, 960971), (88, 873610), (110, 698888), (176, 436805), (199, 386320), (220, 349444), (398, 193160), (439, 175120), (440, 174722), (796, 96580), (878, 87560), (880, 87361), (995, 77264), (1592, 48290), (1756, 43780), (1990, 38632), (2189, 35120), (2195, 35024), (3184, 24145), (3512, 21890), (3980, 19316), (4378, 17560), (4390, 17512), (4829, 15920), (7024, 10945), (7960, 9658), (8756, 8780)]