80909856

素因数分解:

$2^5\times 3^2\times {\mathrm{499}}^1\times {\mathrm{563}}^1$

素因数の和:1078

約数の個数: 72

約数和(自身を含む): 230958000

約数和(自身を除く): 150048144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 499, 563, 998, 1126, 1497, 1689, 1996, 2252, 2994, 3378, 3992, 4491, 4504, 5067, 5988, 6756, 7984, 8982, 9008, 10134, 11976, 13512, 15968, 17964, 18016, 20268, 23952, 27024, 35928, 40536, 47904, 54048, 71856, 81072, 143712, 162144, 280937, 561874, 842811, 1123748, 1685622, 2247496, 2528433, 3371244, 4494992, 5056866, 6742488, 8989984, 10113732, 13484976, 20227464, 26969952, 40454928, 80909856]

約数ペア:

[(1, 80909856), (2, 40454928), (3, 26969952), (4, 20227464), (6, 13484976), (8, 10113732), (9, 8989984), (12, 6742488), (16, 5056866), (18, 4494992), (24, 3371244), (32, 2528433), (36, 2247496), (48, 1685622), (72, 1123748), (96, 842811), (144, 561874), (288, 280937), (499, 162144), (563, 143712), (998, 81072), (1126, 71856), (1497, 54048), (1689, 47904), (1996, 40536), (2252, 35928), (2994, 27024), (3378, 23952), (3992, 20268), (4491, 18016), (4504, 17964), (5067, 15968), (5988, 13512), (6756, 11976), (7984, 10134), (8982, 9008)]