205537320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{570937}}^1$

素因数の和:570954

約数の個数: 48

約数和(自身を含む): 667997460

約数和(自身を除く): 462460140

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, 570937, 1141874, 1712811, 2283748, 2854685, 3425622, 4567496, 5138433, 5709370, 6851244, 8564055, 10276866, 11418740, 13702488, 17128110, 20553732, 22837480, 25692165, 34256220, 41107464, 51384330, 68512440, 102768660, 205537320]

約数ペア:

[(1, 205537320), (2, 102768660), (3, 68512440), (4, 51384330), (5, 41107464), (6, 34256220), (8, 25692165), (9, 22837480), (10, 20553732), (12, 17128110), (15, 13702488), (18, 11418740), (20, 10276866), (24, 8564055), (30, 6851244), (36, 5709370), (40, 5138433), (45, 4567496), (60, 3425622), (72, 2854685), (90, 2283748), (120, 1712811), (180, 1141874), (360, 570937)]