80574540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1342909}}^1$

素因数の和:1342921

約数の個数: 24

約数和(自身を含む): 225608880

約数和(自身を除く): 145034340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1342909, 2685818, 4028727, 5371636, 6714545, 8057454, 13429090, 16114908, 20143635, 26858180, 40287270, 80574540]

約数ペア:

[(1, 80574540), (2, 40287270), (3, 26858180), (4, 20143635), (5, 16114908), (6, 13429090), (10, 8057454), (12, 6714545), (15, 5371636), (20, 4028727), (30, 2685818), (60, 1342909)]