28279080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{78553}}^1$

素因数の和:78570

約数の個数: 48

約数和(自身を含む): 91908180

約数和(自身を除く): 63629100

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, 78553, 157106, 235659, 314212, 392765, 471318, 628424, 706977, 785530, 942636, 1178295, 1413954, 1571060, 1885272, 2356590, 2827908, 3142120, 3534885, 4713180, 5655816, 7069770, 9426360, 14139540, 28279080]

約数ペア:

[(1, 28279080), (2, 14139540), (3, 9426360), (4, 7069770), (5, 5655816), (6, 4713180), (8, 3534885), (9, 3142120), (10, 2827908), (12, 2356590), (15, 1885272), (18, 1571060), (20, 1413954), (24, 1178295), (30, 942636), (36, 785530), (40, 706977), (45, 628424), (60, 471318), (72, 392765), (90, 314212), (120, 235659), (180, 157106), (360, 78553)]