1282815420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{21380257}}^1$

素因数の和:21380269

約数の個数: 24

約数和(自身を含む): 3591883344

約数和(自身を除く): 2309067924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 21380257, 42760514, 64140771, 85521028, 106901285, 128281542, 213802570, 256563084, 320703855, 427605140, 641407710, 1282815420]

約数ペア:

[(1, 1282815420), (2, 641407710), (3, 427605140), (4, 320703855), (5, 256563084), (6, 213802570), (10, 128281542), (12, 106901285), (15, 85521028), (20, 64140771), (30, 42760514), (60, 21380257)]