131246820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{7517}}^1$

素因数の和:7629

約数の個数: 72

約数和(自身を含む): 402273144

約数和(自身を除く): 271026324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 180, 194, 291, 388, 485, 582, 873, 970, 1164, 1455, 1746, 1940, 2910, 3492, 4365, 5820, 7517, 8730, 15034, 17460, 22551, 30068, 37585, 45102, 67653, 75170, 90204, 112755, 135306, 150340, 225510, 270612, 338265, 451020, 676530, 729149, 1353060, 1458298, 2187447, 2916596, 3645745, 4374894, 6562341, 7291490, 8749788, 10937235, 13124682, 14582980, 21874470, 26249364, 32811705, 43748940, 65623410, 131246820]

約数ペア:

[(1, 131246820), (2, 65623410), (3, 43748940), (4, 32811705), (5, 26249364), (6, 21874470), (9, 14582980), (10, 13124682), (12, 10937235), (15, 8749788), (18, 7291490), (20, 6562341), (30, 4374894), (36, 3645745), (45, 2916596), (60, 2187447), (90, 1458298), (97, 1353060), (180, 729149), (194, 676530), (291, 451020), (388, 338265), (485, 270612), (582, 225510), (873, 150340), (970, 135306), (1164, 112755), (1455, 90204), (1746, 75170), (1940, 67653), (2910, 45102), (3492, 37585), (4365, 30068), (5820, 22551), (7517, 17460), (8730, 15034)]