28771020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{159839}}^1$

素因数の和:159854

約数の個数: 36

約数和(自身を含む): 87272640

約数和(自身を除く): 58501620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 159839, 319678, 479517, 639356, 799195, 959034, 1438551, 1598390, 1918068, 2397585, 2877102, 3196780, 4795170, 5754204, 7192755, 9590340, 14385510, 28771020]

約数ペア:

[(1, 28771020), (2, 14385510), (3, 9590340), (4, 7192755), (5, 5754204), (6, 4795170), (9, 3196780), (10, 2877102), (12, 2397585), (15, 1918068), (18, 1598390), (20, 1438551), (30, 959034), (36, 799195), (45, 639356), (60, 479517), (90, 319678), (180, 159839)]