207325980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{127979}}^1$

素因数の和:128000

約数の個数: 60

約数和(自身を含む): 650394360

約数和(自身を除く): 443068380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 127979, 255958, 383937, 511916, 639895, 767874, 1151811, 1279790, 1535748, 1919685, 2303622, 2559580, 3455433, 3839370, 4607244, 5759055, 6910866, 7678740, 10366299, 11518110, 13821732, 17277165, 20732598, 23036220, 34554330, 41465196, 51831495, 69108660, 103662990, 207325980]

約数ペア:

[(1, 207325980), (2, 103662990), (3, 69108660), (4, 51831495), (5, 41465196), (6, 34554330), (9, 23036220), (10, 20732598), (12, 17277165), (15, 13821732), (18, 11518110), (20, 10366299), (27, 7678740), (30, 6910866), (36, 5759055), (45, 4607244), (54, 3839370), (60, 3455433), (81, 2559580), (90, 2303622), (108, 1919685), (135, 1535748), (162, 1279790), (180, 1151811), (270, 767874), (324, 639895), (405, 511916), (540, 383937), (810, 255958), (1620, 127979)]