1120840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{4003}}^1$

素因数の和:4021

約数の個数: 32

約数和(自身を含む): 2882880

約数和(自身を除く): 1762040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4003, 8006, 16012, 20015, 28021, 32024, 40030, 56042, 80060, 112084, 140105, 160120, 224168, 280210, 560420, 1120840]

約数ペア:

[(1, 1120840), (2, 560420), (4, 280210), (5, 224168), (7, 160120), (8, 140105), (10, 112084), (14, 80060), (20, 56042), (28, 40030), (35, 32024), (40, 28021), (56, 20015), (70, 16012), (140, 8006), (280, 4003)]