906080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{809}}^1$

素因数の和:831

約数の個数: 48

約数和(自身を含む): 2449440

約数和(自身を除く): 1543360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 809, 1120, 1618, 3236, 4045, 5663, 6472, 8090, 11326, 12944, 16180, 22652, 25888, 28315, 32360, 45304, 56630, 64720, 90608, 113260, 129440, 181216, 226520, 453040, 906080]

約数ペア:

[(1, 906080), (2, 453040), (4, 226520), (5, 181216), (7, 129440), (8, 113260), (10, 90608), (14, 64720), (16, 56630), (20, 45304), (28, 32360), (32, 28315), (35, 25888), (40, 22652), (56, 16180), (70, 12944), (80, 11326), (112, 8090), (140, 6472), (160, 5663), (224, 4045), (280, 3236), (560, 1618), (809, 1120)]