154949440

素因数分解:

$2^6\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1103}}^1$

素因数の和:1559

約数の個数: 56

約数和(自身を含む): 370149120

約数和(自身を除く): 215199680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 439, 878, 1103, 1756, 2195, 2206, 3512, 4390, 4412, 5515, 7024, 8780, 8824, 11030, 14048, 17560, 17648, 22060, 28096, 35120, 35296, 44120, 70240, 70592, 88240, 140480, 176480, 352960, 484217, 968434, 1936868, 2421085, 3873736, 4842170, 7747472, 9684340, 15494944, 19368680, 30989888, 38737360, 77474720, 154949440]

約数ペア:

[(1, 154949440), (2, 77474720), (4, 38737360), (5, 30989888), (8, 19368680), (10, 15494944), (16, 9684340), (20, 7747472), (32, 4842170), (40, 3873736), (64, 2421085), (80, 1936868), (160, 968434), (320, 484217), (439, 352960), (878, 176480), (1103, 140480), (1756, 88240), (2195, 70592), (2206, 70240), (3512, 44120), (4390, 35296), (4412, 35120), (5515, 28096), (7024, 22060), (8780, 17648), (8824, 17560), (11030, 14048)]