2340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1$

素因数の和:28

約数の個数: 36

約数和(自身を含む): 7644

約数和(自身を除く): 5304

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340]

約数ペア:

[(1, 2340), (2, 1170), (3, 780), (4, 585), (5, 468), (6, 390), (9, 260), (10, 234), (12, 195), (13, 180), (15, 156), (18, 130), (20, 117), (26, 90), (30, 78), (36, 65), (39, 60), (45, 52)]