320689080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{890803}}^1$

素因数の和:890820

約数の個数: 48

約数和(自身を含む): 1042240680

約数和(自身を除く): 721551600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 890803, 1781606, 2672409, 3563212, 4454015, 5344818, 7126424, 8017227, 8908030, 10689636, 13362045, 16034454, 17816060, 21379272, 26724090, 32068908, 35632120, 40086135, 53448180, 64137816, 80172270, 106896360, 160344540, 320689080]

約数ペア:

[(1, 320689080), (2, 160344540), (3, 106896360), (4, 80172270), (5, 64137816), (6, 53448180), (8, 40086135), (9, 35632120), (10, 32068908), (12, 26724090), (15, 21379272), (18, 17816060), (20, 16034454), (24, 13362045), (30, 10689636), (36, 8908030), (40, 8017227), (45, 7126424), (60, 5344818), (72, 4454015), (90, 3563212), (120, 2672409), (180, 1781606), (360, 890803)]