77852790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{20117}}^1$

素因数の和:20173

約数の個数: 48

約数和(自身を含む): 207134928

約数和(自身を除く): 129282138

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870, 20117, 40234, 60351, 100585, 120702, 181053, 201170, 301755, 362106, 603510, 865031, 905265, 1730062, 1810530, 2595093, 4325155, 5190186, 7785279, 8650310, 12975465, 15570558, 25950930, 38926395, 77852790]

約数ペア:

[(1, 77852790), (2, 38926395), (3, 25950930), (5, 15570558), (6, 12975465), (9, 8650310), (10, 7785279), (15, 5190186), (18, 4325155), (30, 2595093), (43, 1810530), (45, 1730062), (86, 905265), (90, 865031), (129, 603510), (215, 362106), (258, 301755), (387, 201170), (430, 181053), (645, 120702), (774, 100585), (1290, 60351), (1935, 40234), (3870, 20117)]