129420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{719}}^1$

素因数の和:734

約数の個数: 36

約数和(自身を含む): 393120

約数和(自身を除く): 263700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 719, 1438, 2157, 2876, 3595, 4314, 6471, 7190, 8628, 10785, 12942, 14380, 21570, 25884, 32355, 43140, 64710, 129420]

約数ペア:

[(1, 129420), (2, 64710), (3, 43140), (4, 32355), (5, 25884), (6, 21570), (9, 14380), (10, 12942), (12, 10785), (15, 8628), (18, 7190), (20, 6471), (30, 4314), (36, 3595), (45, 2876), (60, 2157), (90, 1438), (180, 719)]