221840280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{616223}}^1$

素因数の和:616240

約数の個数: 48

約数和(自身を含む): 720982080

約数和(自身を除く): 499141800

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, 616223, 1232446, 1848669, 2464892, 3081115, 3697338, 4929784, 5546007, 6162230, 7394676, 9243345, 11092014, 12324460, 14789352, 18486690, 22184028, 24648920, 27730035, 36973380, 44368056, 55460070, 73946760, 110920140, 221840280]

約数ペア:

[(1, 221840280), (2, 110920140), (3, 73946760), (4, 55460070), (5, 44368056), (6, 36973380), (8, 27730035), (9, 24648920), (10, 22184028), (12, 18486690), (15, 14789352), (18, 12324460), (20, 11092014), (24, 9243345), (30, 7394676), (36, 6162230), (40, 5546007), (45, 4929784), (60, 3697338), (72, 3081115), (90, 2464892), (120, 1848669), (180, 1232446), (360, 616223)]