28066260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{919}}^1$

素因数の和:1440

約数の個数: 48

約数和(自身を含む): 78825600

約数和(自身を除く): 50759340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 509, 919, 1018, 1527, 1838, 2036, 2545, 2757, 3054, 3676, 4595, 5090, 5514, 6108, 7635, 9190, 10180, 11028, 13785, 15270, 18380, 27570, 30540, 55140, 467771, 935542, 1403313, 1871084, 2338855, 2806626, 4677710, 5613252, 7016565, 9355420, 14033130, 28066260]

約数ペア:

[(1, 28066260), (2, 14033130), (3, 9355420), (4, 7016565), (5, 5613252), (6, 4677710), (10, 2806626), (12, 2338855), (15, 1871084), (20, 1403313), (30, 935542), (60, 467771), (509, 55140), (919, 30540), (1018, 27570), (1527, 18380), (1838, 15270), (2036, 13785), (2545, 11028), (2757, 10180), (3054, 9190), (3676, 7635), (4595, 6108), (5090, 5514)]