312635680

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{39877}}^1$

素因数の和:39906

約数の個数: 72

約数和(自身を含む): 859211388

約数和(自身を除く): 546575708

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 39877, 79754, 159508, 199385, 279139, 319016, 398770, 558278, 638032, 797540, 1116556, 1276064, 1395695, 1595080, 1953973, 2233112, 2791390, 3190160, 3907946, 4466224, 5582780, 6380320, 7815892, 8932448, 9769865, 11165560, 15631784, 19539730, 22331120, 31263568, 39079460, 44662240, 62527136, 78158920, 156317840, 312635680]

約数ペア:

[(1, 312635680), (2, 156317840), (4, 78158920), (5, 62527136), (7, 44662240), (8, 39079460), (10, 31263568), (14, 22331120), (16, 19539730), (20, 15631784), (28, 11165560), (32, 9769865), (35, 8932448), (40, 7815892), (49, 6380320), (56, 5582780), (70, 4466224), (80, 3907946), (98, 3190160), (112, 2791390), (140, 2233112), (160, 1953973), (196, 1595080), (224, 1395695), (245, 1276064), (280, 1116556), (392, 797540), (490, 638032), (560, 558278), (784, 398770), (980, 319016), (1120, 279139), (1568, 199385), (1960, 159508), (3920, 79754), (7840, 39877)]