81080028

素因数分解:

$2^2\times 3^4\times {\mathrm{251}}^1\times {\mathrm{997}}^1$

素因数の和:1264

約数の個数: 60

約数和(自身を含む): 213017112

約数和(自身を除く): 131937084

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 251, 324, 502, 753, 997, 1004, 1506, 1994, 2259, 2991, 3012, 3988, 4518, 5982, 6777, 8973, 9036, 11964, 13554, 17946, 20331, 26919, 27108, 35892, 40662, 53838, 80757, 81324, 107676, 161514, 250247, 323028, 500494, 750741, 1000988, 1501482, 2252223, 3002964, 4504446, 6756669, 9008892, 13513338, 20270007, 27026676, 40540014, 81080028]

約数ペア:

[(1, 81080028), (2, 40540014), (3, 27026676), (4, 20270007), (6, 13513338), (9, 9008892), (12, 6756669), (18, 4504446), (27, 3002964), (36, 2252223), (54, 1501482), (81, 1000988), (108, 750741), (162, 500494), (251, 323028), (324, 250247), (502, 161514), (753, 107676), (997, 81324), (1004, 80757), (1506, 53838), (1994, 40662), (2259, 35892), (2991, 27108), (3012, 26919), (3988, 20331), (4518, 17946), (5982, 13554), (6777, 11964), (8973, 9036)]