51325020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{285139}}^1$

素因数の和:285154

約数の個数: 36

約数和(自身を含む): 155686440

約数和(自身を除く): 104361420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 285139, 570278, 855417, 1140556, 1425695, 1710834, 2566251, 2851390, 3421668, 4277085, 5132502, 5702780, 8554170, 10265004, 12831255, 17108340, 25662510, 51325020]

約数ペア:

[(1, 51325020), (2, 25662510), (3, 17108340), (4, 12831255), (5, 10265004), (6, 8554170), (9, 5702780), (10, 5132502), (12, 4277085), (15, 3421668), (18, 2851390), (20, 2566251), (30, 1710834), (36, 1425695), (45, 1140556), (60, 855417), (90, 570278), (180, 285139)]