166920180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{397429}}^1$

素因数の和:397448

約数の個数: 48

約数和(自身を含む): 534145920

約数和(自身を除く): 367225740

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, 397429, 794858, 1192287, 1589716, 1987145, 2384574, 2782003, 3974290, 4769148, 5564006, 5961435, 7948580, 8346009, 11128012, 11922870, 13910015, 16692018, 23845740, 27820030, 33384036, 41730045, 55640060, 83460090, 166920180]

約数ペア:

[(1, 166920180), (2, 83460090), (3, 55640060), (4, 41730045), (5, 33384036), (6, 27820030), (7, 23845740), (10, 16692018), (12, 13910015), (14, 11922870), (15, 11128012), (20, 8346009), (21, 7948580), (28, 5961435), (30, 5564006), (35, 4769148), (42, 3974290), (60, 2782003), (70, 2384574), (84, 1987145), (105, 1589716), (140, 1192287), (210, 794858), (420, 397429)]