1531505720

素因数分解:

$2^3\times 5^1\times {\mathrm{673}}^1\times {\mathrm{56891}}^1$

素因数の和:57575

約数の個数: 32

約数和(自身を含む): 3451068720

約数和(自身を除く): 1919563000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 673, 1346, 2692, 3365, 5384, 6730, 13460, 26920, 56891, 113782, 227564, 284455, 455128, 568910, 1137820, 2275640, 38287643, 76575286, 153150572, 191438215, 306301144, 382876430, 765752860, 1531505720]

約数ペア:

[(1, 1531505720), (2, 765752860), (4, 382876430), (5, 306301144), (8, 191438215), (10, 153150572), (20, 76575286), (40, 38287643), (673, 2275640), (1346, 1137820), (2692, 568910), (3365, 455128), (5384, 284455), (6730, 227564), (13460, 113782), (26920, 56891)]