198840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1657}}^1$

素因数の和:1671

約数の個数: 32

約数和(自身を含む): 596880

約数和(自身を除く): 398040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1657, 3314, 4971, 6628, 8285, 9942, 13256, 16570, 19884, 24855, 33140, 39768, 49710, 66280, 99420, 198840]

約数ペア:

[(1, 198840), (2, 99420), (3, 66280), (4, 49710), (5, 39768), (6, 33140), (8, 24855), (10, 19884), (12, 16570), (15, 13256), (20, 9942), (24, 8285), (30, 6628), (40, 4971), (60, 3314), (120, 1657)]