8478780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{563}}^1$

素因数の和:826

約数の個数: 48

約数和(自身を含む): 23877504

約数和(自身を除く): 15398724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 251, 502, 563, 753, 1004, 1126, 1255, 1506, 1689, 2252, 2510, 2815, 3012, 3378, 3765, 5020, 5630, 6756, 7530, 8445, 11260, 15060, 16890, 33780, 141313, 282626, 423939, 565252, 706565, 847878, 1413130, 1695756, 2119695, 2826260, 4239390, 8478780]

約数ペア:

[(1, 8478780), (2, 4239390), (3, 2826260), (4, 2119695), (5, 1695756), (6, 1413130), (10, 847878), (12, 706565), (15, 565252), (20, 423939), (30, 282626), (60, 141313), (251, 33780), (502, 16890), (563, 15060), (753, 11260), (1004, 8445), (1126, 7530), (1255, 6756), (1506, 5630), (1689, 5020), (2252, 3765), (2510, 3378), (2815, 3012)]