70905420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{393919}}^1$

素因数の和:393934

約数の個数: 36

約数和(自身を含む): 215080320

約数和(自身を除く): 144174900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 393919, 787838, 1181757, 1575676, 1969595, 2363514, 3545271, 3939190, 4727028, 5908785, 7090542, 7878380, 11817570, 14181084, 17726355, 23635140, 35452710, 70905420]

約数ペア:

[(1, 70905420), (2, 35452710), (3, 23635140), (4, 17726355), (5, 14181084), (6, 11817570), (9, 7878380), (10, 7090542), (12, 5908785), (15, 4727028), (18, 3939190), (20, 3545271), (30, 2363514), (36, 1969595), (45, 1575676), (60, 1181757), (90, 787838), (180, 393919)]