15265720

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1153}}^1$

素因数の和:1495

約数の個数: 32

約数和(自身を含む): 34481520

約数和(自身を除く): 19215800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1153, 1324, 1655, 2306, 2648, 3310, 4612, 5765, 6620, 9224, 11530, 13240, 23060, 46120, 381643, 763286, 1526572, 1908215, 3053144, 3816430, 7632860, 15265720]

約数ペア:

[(1, 15265720), (2, 7632860), (4, 3816430), (5, 3053144), (8, 1908215), (10, 1526572), (20, 763286), (40, 381643), (331, 46120), (662, 23060), (1153, 13240), (1324, 11530), (1655, 9224), (2306, 6620), (2648, 5765), (3310, 4612)]