68730880

素因数分解:

$2^{14}\times 5^1\times {\mathrm{839}}^1$

素因数の和:872

約数の個数: 60

約数和(自身を含む): 165145680

約数和(自身を除く): 96414800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 839, 1024, 1280, 1678, 2048, 2560, 3356, 4096, 4195, 5120, 6712, 8192, 8390, 10240, 13424, 16384, 16780, 20480, 26848, 33560, 40960, 53696, 67120, 81920, 107392, 134240, 214784, 268480, 429568, 536960, 859136, 1073920, 1718272, 2147840, 3436544, 4295680, 6873088, 8591360, 13746176, 17182720, 34365440, 68730880]

約数ペア:

[(1, 68730880), (2, 34365440), (4, 17182720), (5, 13746176), (8, 8591360), (10, 6873088), (16, 4295680), (20, 3436544), (32, 2147840), (40, 1718272), (64, 1073920), (80, 859136), (128, 536960), (160, 429568), (256, 268480), (320, 214784), (512, 134240), (640, 107392), (839, 81920), (1024, 67120), (1280, 53696), (1678, 40960), (2048, 33560), (2560, 26848), (3356, 20480), (4096, 16780), (4195, 16384), (5120, 13424), (6712, 10240), (8192, 8390)]