1209420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{6719}}^1$

素因数の和:6734

約数の個数: 36

約数和(自身を含む): 3669120

約数和(自身を除く): 2459700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 6719, 13438, 20157, 26876, 33595, 40314, 60471, 67190, 80628, 100785, 120942, 134380, 201570, 241884, 302355, 403140, 604710, 1209420]

約数ペア:

[(1, 1209420), (2, 604710), (3, 403140), (4, 302355), (5, 241884), (6, 201570), (9, 134380), (10, 120942), (12, 100785), (15, 80628), (18, 67190), (20, 60471), (30, 40314), (36, 33595), (45, 26876), (60, 20157), (90, 13438), (180, 6719)]