1215704840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{4341803}}^1$

素因数の和:4341821

約数の個数: 32

約数和(自身を含む): 3126098880

約数和(自身を除く): 1910394040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4341803, 8683606, 17367212, 21709015, 30392621, 34734424, 43418030, 60785242, 86836060, 121570484, 151963105, 173672120, 243140968, 303926210, 607852420, 1215704840]

約数ペア:

[(1, 1215704840), (2, 607852420), (4, 303926210), (5, 243140968), (7, 173672120), (8, 151963105), (10, 121570484), (14, 86836060), (20, 60785242), (28, 43418030), (35, 34734424), (40, 30392621), (56, 21709015), (70, 17367212), (140, 8683606), (280, 4341803)]