78451020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{435839}}^1$

素因数の和:435854

約数の個数: 36

約数和(自身を含む): 237968640

約数和(自身を除く): 159517620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 435839, 871678, 1307517, 1743356, 2179195, 2615034, 3922551, 4358390, 5230068, 6537585, 7845102, 8716780, 13075170, 15690204, 19612755, 26150340, 39225510, 78451020]

約数ペア:

[(1, 78451020), (2, 39225510), (3, 26150340), (4, 19612755), (5, 15690204), (6, 13075170), (9, 8716780), (10, 7845102), (12, 6537585), (15, 5230068), (18, 4358390), (20, 3922551), (30, 2615034), (36, 2179195), (45, 1743356), (60, 1307517), (90, 871678), (180, 435839)]