420192540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2334403}}^1$

素因数の和:2334418

約数の個数: 36

約数和(自身を含む): 1274584584

約数和(自身を除く): 854392044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2334403, 4668806, 7003209, 9337612, 11672015, 14006418, 21009627, 23344030, 28012836, 35016045, 42019254, 46688060, 70032090, 84038508, 105048135, 140064180, 210096270, 420192540]

約数ペア:

[(1, 420192540), (2, 210096270), (3, 140064180), (4, 105048135), (5, 84038508), (6, 70032090), (9, 46688060), (10, 42019254), (12, 35016045), (15, 28012836), (18, 23344030), (20, 21009627), (30, 14006418), (36, 11672015), (45, 9337612), (60, 7003209), (90, 4668806), (180, 2334403)]