71717940

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{18973}}^1$

素因数の和:18998

約数の個数: 96

約数和(自身を含む): 255010560

約数和(自身を除く): 183292620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 18973, 37946, 56919, 75892, 94865, 113838, 132811, 170757, 189730, 227676, 265622, 284595, 341514, 379460, 398433, 512271, 531244, 569190, 664055, 683028, 796866, 853785, 1024542, 1138380, 1195299, 1328110, 1593732, 1707570, 1992165, 2049084, 2390598, 2561355, 2656220, 3415140, 3585897, 3984330, 4781196, 5122710, 5976495, 7171794, 7968660, 10245420, 11952990, 14343588, 17929485, 23905980, 35858970, 71717940]

約数ペア:

[(1, 71717940), (2, 35858970), (3, 23905980), (4, 17929485), (5, 14343588), (6, 11952990), (7, 10245420), (9, 7968660), (10, 7171794), (12, 5976495), (14, 5122710), (15, 4781196), (18, 3984330), (20, 3585897), (21, 3415140), (27, 2656220), (28, 2561355), (30, 2390598), (35, 2049084), (36, 1992165), (42, 1707570), (45, 1593732), (54, 1328110), (60, 1195299), (63, 1138380), (70, 1024542), (84, 853785), (90, 796866), (105, 683028), (108, 664055), (126, 569190), (135, 531244), (140, 512271), (180, 398433), (189, 379460), (210, 341514), (252, 284595), (270, 265622), (315, 227676), (378, 189730), (420, 170757), (540, 132811), (630, 113838), (756, 94865), (945, 75892), (1260, 56919), (1890, 37946), (3780, 18973)]