31780440

素因数分解:

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

素因数の和:2113

約数の個数: 96

約数和(自身を含む): 105739920

約数和(自身を除く): 73959480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 60, 72, 86, 90, 120, 129, 172, 180, 215, 258, 344, 360, 387, 430, 516, 645, 774, 860, 1032, 1290, 1548, 1720, 1935, 2053, 2580, 3096, 3870, 4106, 5160, 6159, 7740, 8212, 10265, 12318, 15480, 16424, 18477, 20530, 24636, 30795, 36954, 41060, 49272, 61590, 73908, 82120, 88279, 92385, 123180, 147816, 176558, 184770, 246360, 264837, 353116, 369540, 441395, 529674, 706232, 739080, 794511, 882790, 1059348, 1324185, 1589022, 1765580, 2118696, 2648370, 3178044, 3531160, 3972555, 5296740, 6356088, 7945110, 10593480, 15890220, 31780440]

約数ペア:

[(1, 31780440), (2, 15890220), (3, 10593480), (4, 7945110), (5, 6356088), (6, 5296740), (8, 3972555), (9, 3531160), (10, 3178044), (12, 2648370), (15, 2118696), (18, 1765580), (20, 1589022), (24, 1324185), (30, 1059348), (36, 882790), (40, 794511), (43, 739080), (45, 706232), (60, 529674), (72, 441395), (86, 369540), (90, 353116), (120, 264837), (129, 246360), (172, 184770), (180, 176558), (215, 147816), (258, 123180), (344, 92385), (360, 88279), (387, 82120), (430, 73908), (516, 61590), (645, 49272), (774, 41060), (860, 36954), (1032, 30795), (1290, 24636), (1548, 20530), (1720, 18477), (1935, 16424), (2053, 15480), (2580, 12318), (3096, 10265), (3870, 8212), (4106, 7740), (5160, 6159)]