1338540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{3187}}^1$

素因数の和:3206

約数の個数: 48

約数和(自身を含む): 4284672

約数和(自身を除く): 2946132

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 3187, 6374, 9561, 12748, 15935, 19122, 22309, 31870, 38244, 44618, 47805, 63740, 66927, 89236, 95610, 111545, 133854, 191220, 223090, 267708, 334635, 446180, 669270, 1338540]

約数ペア:

[(1, 1338540), (2, 669270), (3, 446180), (4, 334635), (5, 267708), (6, 223090), (7, 191220), (10, 133854), (12, 111545), (14, 95610), (15, 89236), (20, 66927), (21, 63740), (28, 47805), (30, 44618), (35, 38244), (42, 31870), (60, 22309), (70, 19122), (84, 15935), (105, 12748), (140, 9561), (210, 6374), (420, 3187)]