12390420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29501}}^1$

素因数の和:29520

約数の個数: 48

約数和(自身を含む): 39650688

約数和(自身を除く): 27260268

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, 29501, 59002, 88503, 118004, 147505, 177006, 206507, 295010, 354012, 413014, 442515, 590020, 619521, 826028, 885030, 1032535, 1239042, 1770060, 2065070, 2478084, 3097605, 4130140, 6195210, 12390420]

約数ペア:

[(1, 12390420), (2, 6195210), (3, 4130140), (4, 3097605), (5, 2478084), (6, 2065070), (7, 1770060), (10, 1239042), (12, 1032535), (14, 885030), (15, 826028), (20, 619521), (21, 590020), (28, 442515), (30, 413014), (35, 354012), (42, 295010), (60, 206507), (70, 177006), (84, 147505), (105, 118004), (140, 88503), (210, 59002), (420, 29501)]