156715840

素因数分解:

$2^6\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4493}}^1$

素因数の和:4619

約数の個数: 56

約数和(自身を含む): 376687080

約数和(自身を除く): 219971240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 160, 218, 320, 436, 545, 872, 1090, 1744, 2180, 3488, 4360, 4493, 6976, 8720, 8986, 17440, 17972, 22465, 34880, 35944, 44930, 71888, 89860, 143776, 179720, 287552, 359440, 489737, 718880, 979474, 1437760, 1958948, 2448685, 3917896, 4897370, 7835792, 9794740, 15671584, 19589480, 31343168, 39178960, 78357920, 156715840]

約数ペア:

[(1, 156715840), (2, 78357920), (4, 39178960), (5, 31343168), (8, 19589480), (10, 15671584), (16, 9794740), (20, 7835792), (32, 4897370), (40, 3917896), (64, 2448685), (80, 1958948), (109, 1437760), (160, 979474), (218, 718880), (320, 489737), (436, 359440), (545, 287552), (872, 179720), (1090, 143776), (1744, 89860), (2180, 71888), (3488, 44930), (4360, 35944), (4493, 34880), (6976, 22465), (8720, 17972), (8986, 17440)]