128679168

素因数分解:

$2^8\times 3^1\times {\mathrm{137}}^1\times {\mathrm{1223}}^1$

素因数の和:1379

約数の個数: 72

約数和(自身を含む): 345256128

約数和(自身を除く): 216576960

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 137, 192, 256, 274, 384, 411, 548, 768, 822, 1096, 1223, 1644, 2192, 2446, 3288, 3669, 4384, 4892, 6576, 7338, 8768, 9784, 13152, 14676, 17536, 19568, 26304, 29352, 35072, 39136, 52608, 58704, 78272, 105216, 117408, 156544, 167551, 234816, 313088, 335102, 469632, 502653, 670204, 939264, 1005306, 1340408, 2010612, 2680816, 4021224, 5361632, 8042448, 10723264, 16084896, 21446528, 32169792, 42893056, 64339584, 128679168]

約数ペア:

[(1, 128679168), (2, 64339584), (3, 42893056), (4, 32169792), (6, 21446528), (8, 16084896), (12, 10723264), (16, 8042448), (24, 5361632), (32, 4021224), (48, 2680816), (64, 2010612), (96, 1340408), (128, 1005306), (137, 939264), (192, 670204), (256, 502653), (274, 469632), (384, 335102), (411, 313088), (548, 234816), (768, 167551), (822, 156544), (1096, 117408), (1223, 105216), (1644, 78272), (2192, 58704), (2446, 52608), (3288, 39136), (3669, 35072), (4384, 29352), (4892, 26304), (6576, 19568), (7338, 17536), (8768, 14676), (9784, 13152)]