28796220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{159979}}^1$

素因数の和:159994

約数の個数: 36

約数和(自身を含む): 87349080

約数和(自身を除く): 58552860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 159979, 319958, 479937, 639916, 799895, 959874, 1439811, 1599790, 1919748, 2399685, 2879622, 3199580, 4799370, 5759244, 7199055, 9598740, 14398110, 28796220]

約数ペア:

[(1, 28796220), (2, 14398110), (3, 9598740), (4, 7199055), (5, 5759244), (6, 4799370), (9, 3199580), (10, 2879622), (12, 2399685), (15, 1919748), (18, 1599790), (20, 1439811), (30, 959874), (36, 799895), (45, 639916), (60, 479937), (90, 319958), (180, 159979)]