28754640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{39937}}^1$

素因数の和:39956

約数の個数: 60

約数和(自身を含む): 96570084

約数和(自身を除く): 67815444

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 39937, 79874, 119811, 159748, 199685, 239622, 319496, 359433, 399370, 479244, 599055, 638992, 718866, 798740, 958488, 1198110, 1437732, 1597480, 1797165, 1916976, 2396220, 2875464, 3194960, 3594330, 4792440, 5750928, 7188660, 9584880, 14377320, 28754640]

約数ペア:

[(1, 28754640), (2, 14377320), (3, 9584880), (4, 7188660), (5, 5750928), (6, 4792440), (8, 3594330), (9, 3194960), (10, 2875464), (12, 2396220), (15, 1916976), (16, 1797165), (18, 1597480), (20, 1437732), (24, 1198110), (30, 958488), (36, 798740), (40, 718866), (45, 638992), (48, 599055), (60, 479244), (72, 399370), (80, 359433), (90, 319496), (120, 239622), (144, 199685), (180, 159748), (240, 119811), (360, 79874), (720, 39937)]