30531440

素因数分解:

$2^4\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1153}}^1$

素因数の和:1497

約数の個数: 40

約数和(自身を含む): 71261808

約数和(自身を除く): 40730368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 331, 662, 1153, 1324, 1655, 2306, 2648, 3310, 4612, 5296, 5765, 6620, 9224, 11530, 13240, 18448, 23060, 26480, 46120, 92240, 381643, 763286, 1526572, 1908215, 3053144, 3816430, 6106288, 7632860, 15265720, 30531440]

約数ペア:

[(1, 30531440), (2, 15265720), (4, 7632860), (5, 6106288), (8, 3816430), (10, 3053144), (16, 1908215), (20, 1526572), (40, 763286), (80, 381643), (331, 92240), (662, 46120), (1153, 26480), (1324, 23060), (1655, 18448), (2306, 13240), (2648, 11530), (3310, 9224), (4612, 6620), (5296, 5765)]