208191960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{578311}}^1$

素因数の和:578328

約数の個数: 48

約数和(自身を含む): 676625040

約数和(自身を除く): 468433080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 578311, 1156622, 1734933, 2313244, 2891555, 3469866, 4626488, 5204799, 5783110, 6939732, 8674665, 10409598, 11566220, 13879464, 17349330, 20819196, 23132440, 26023995, 34698660, 41638392, 52047990, 69397320, 104095980, 208191960]

約数ペア:

[(1, 208191960), (2, 104095980), (3, 69397320), (4, 52047990), (5, 41638392), (6, 34698660), (8, 26023995), (9, 23132440), (10, 20819196), (12, 17349330), (15, 13879464), (18, 11566220), (20, 10409598), (24, 8674665), (30, 6939732), (36, 5783110), (40, 5204799), (45, 4626488), (60, 3469866), (72, 2891555), (90, 2313244), (120, 1734933), (180, 1156622), (360, 578311)]