128565144

素因数分解:

$2^3\times 3^4\times {\mathrm{199}}^1\times {\mathrm{997}}^1$

素因数の和:1214

約数の個数: 80

約数和(自身を含む): 362274000

約数和(自身を除く): 233708856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 199, 216, 324, 398, 597, 648, 796, 997, 1194, 1592, 1791, 1994, 2388, 2991, 3582, 3988, 4776, 5373, 5982, 7164, 7976, 8973, 10746, 11964, 14328, 16119, 17946, 21492, 23928, 26919, 32238, 35892, 42984, 53838, 64476, 71784, 80757, 107676, 128952, 161514, 198403, 215352, 323028, 396806, 595209, 646056, 793612, 1190418, 1587224, 1785627, 2380836, 3571254, 4761672, 5356881, 7142508, 10713762, 14285016, 16070643, 21427524, 32141286, 42855048, 64282572, 128565144]

約数ペア:

[(1, 128565144), (2, 64282572), (3, 42855048), (4, 32141286), (6, 21427524), (8, 16070643), (9, 14285016), (12, 10713762), (18, 7142508), (24, 5356881), (27, 4761672), (36, 3571254), (54, 2380836), (72, 1785627), (81, 1587224), (108, 1190418), (162, 793612), (199, 646056), (216, 595209), (324, 396806), (398, 323028), (597, 215352), (648, 198403), (796, 161514), (997, 128952), (1194, 107676), (1592, 80757), (1791, 71784), (1994, 64476), (2388, 53838), (2991, 42984), (3582, 35892), (3988, 32238), (4776, 26919), (5373, 23928), (5982, 21492), (7164, 17946), (7976, 16119), (8973, 14328), (10746, 11964)]