1375020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{7639}}^1$

素因数の和:7654

約数の個数: 36

約数和(自身を含む): 4171440

約数和(自身を除く): 2796420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 7639, 15278, 22917, 30556, 38195, 45834, 68751, 76390, 91668, 114585, 137502, 152780, 229170, 275004, 343755, 458340, 687510, 1375020]

約数ペア:

[(1, 1375020), (2, 687510), (3, 458340), (4, 343755), (5, 275004), (6, 229170), (9, 152780), (10, 137502), (12, 114585), (15, 91668), (18, 76390), (20, 68751), (30, 45834), (36, 38195), (45, 30556), (60, 22917), (90, 15278), (180, 7639)]