12171420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{67619}}^1$

素因数の和:67634

約数の個数: 36

約数和(自身を含む): 36920520

約数和(自身を除く): 24749100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 67619, 135238, 202857, 270476, 338095, 405714, 608571, 676190, 811428, 1014285, 1217142, 1352380, 2028570, 2434284, 3042855, 4057140, 6085710, 12171420]

約数ペア:

[(1, 12171420), (2, 6085710), (3, 4057140), (4, 3042855), (5, 2434284), (6, 2028570), (9, 1352380), (10, 1217142), (12, 1014285), (15, 811428), (18, 676190), (20, 608571), (30, 405714), (36, 338095), (45, 270476), (60, 202857), (90, 135238), (180, 67619)]