128511488

素因数分解:

$2^9\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1559}}^1$

素因数の和:1607

約数の個数: 80

約数和(自身を含む): 306408960

約数和(自身を除く): 177897472

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 128, 161, 184, 224, 256, 322, 368, 448, 512, 644, 736, 896, 1288, 1472, 1559, 1792, 2576, 2944, 3118, 3584, 5152, 5888, 6236, 10304, 10913, 11776, 12472, 20608, 21826, 24944, 35857, 41216, 43652, 49888, 71714, 82432, 87304, 99776, 143428, 174608, 199552, 250999, 286856, 349216, 399104, 501998, 573712, 698432, 798208, 1003996, 1147424, 1396864, 2007992, 2294848, 2793728, 4015984, 4589696, 5587456, 8031968, 9179392, 16063936, 18358784, 32127872, 64255744, 128511488]

約数ペア:

[(1, 128511488), (2, 64255744), (4, 32127872), (7, 18358784), (8, 16063936), (14, 9179392), (16, 8031968), (23, 5587456), (28, 4589696), (32, 4015984), (46, 2793728), (56, 2294848), (64, 2007992), (92, 1396864), (112, 1147424), (128, 1003996), (161, 798208), (184, 698432), (224, 573712), (256, 501998), (322, 399104), (368, 349216), (448, 286856), (512, 250999), (644, 199552), (736, 174608), (896, 143428), (1288, 99776), (1472, 87304), (1559, 82432), (1792, 71714), (2576, 49888), (2944, 43652), (3118, 41216), (3584, 35857), (5152, 24944), (5888, 21826), (6236, 20608), (10304, 12472), (10913, 11776)]