840715020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{4670639}}^1$

素因数の和:4670654

約数の個数: 36

約数和(自身を含む): 2550169440

約数和(自身を除く): 1709454420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 4670639, 9341278, 14011917, 18682556, 23353195, 28023834, 42035751, 46706390, 56047668, 70059585, 84071502, 93412780, 140119170, 168143004, 210178755, 280238340, 420357510, 840715020]

約数ペア:

[(1, 840715020), (2, 420357510), (3, 280238340), (4, 210178755), (5, 168143004), (6, 140119170), (9, 93412780), (10, 84071502), (12, 70059585), (15, 56047668), (18, 46706390), (20, 42035751), (30, 28023834), (36, 23353195), (45, 18682556), (60, 14011917), (90, 9341278), (180, 4670639)]