15890220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2053}}^1$

素因数の和:2111

約数の個数: 72

約数和(自身を含む): 49345296

約数和(自身を除く): 33455076

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2053, 2580, 3870, 4106, 6159, 7740, 8212, 10265, 12318, 18477, 20530, 24636, 30795, 36954, 41060, 61590, 73908, 88279, 92385, 123180, 176558, 184770, 264837, 353116, 369540, 441395, 529674, 794511, 882790, 1059348, 1324185, 1589022, 1765580, 2648370, 3178044, 3972555, 5296740, 7945110, 15890220]

約数ペア:

[(1, 15890220), (2, 7945110), (3, 5296740), (4, 3972555), (5, 3178044), (6, 2648370), (9, 1765580), (10, 1589022), (12, 1324185), (15, 1059348), (18, 882790), (20, 794511), (30, 529674), (36, 441395), (43, 369540), (45, 353116), (60, 264837), (86, 184770), (90, 176558), (129, 123180), (172, 92385), (180, 88279), (215, 73908), (258, 61590), (387, 41060), (430, 36954), (516, 30795), (645, 24636), (774, 20530), (860, 18477), (1290, 12318), (1548, 10265), (1935, 8212), (2053, 7740), (2580, 6159), (3870, 4106)]