165487980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{394019}}^1$

素因数の和:394038

約数の個数: 48

約数和(自身を含む): 529562880

約数和(自身を除く): 364074900

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, 394019, 788038, 1182057, 1576076, 1970095, 2364114, 2758133, 3940190, 4728228, 5516266, 5910285, 7880380, 8274399, 11032532, 11820570, 13790665, 16548798, 23641140, 27581330, 33097596, 41371995, 55162660, 82743990, 165487980]

約数ペア:

[(1, 165487980), (2, 82743990), (3, 55162660), (4, 41371995), (5, 33097596), (6, 27581330), (7, 23641140), (10, 16548798), (12, 13790665), (14, 11820570), (15, 11032532), (20, 8274399), (21, 7880380), (28, 5910285), (30, 5516266), (35, 4728228), (42, 3940190), (60, 2758133), (70, 2364114), (84, 1970095), (105, 1576076), (140, 1182057), (210, 788038), (420, 394019)]