3420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1$

素因数の和:34

約数の個数: 36

約数和(自身を含む): 10920

約数和(自身を除く): 7500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420]

約数ペア:

[(1, 3420), (2, 1710), (3, 1140), (4, 855), (5, 684), (6, 570), (9, 380), (10, 342), (12, 285), (15, 228), (18, 190), (19, 180), (20, 171), (30, 114), (36, 95), (38, 90), (45, 76), (57, 60)]