618996120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{20551}}^1$

素因数の和:20816

約数の個数: 64

約数和(自身を含む): 1864477440

約数和(自身を除く): 1245481320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 251, 502, 753, 1004, 1255, 1506, 2008, 2510, 3012, 3765, 5020, 6024, 7530, 10040, 15060, 20551, 30120, 41102, 61653, 82204, 102755, 123306, 164408, 205510, 246612, 308265, 411020, 493224, 616530, 822040, 1233060, 2466120, 5158301, 10316602, 15474903, 20633204, 25791505, 30949806, 41266408, 51583010, 61899612, 77374515, 103166020, 123799224, 154749030, 206332040, 309498060, 618996120]

約数ペア:

[(1, 618996120), (2, 309498060), (3, 206332040), (4, 154749030), (5, 123799224), (6, 103166020), (8, 77374515), (10, 61899612), (12, 51583010), (15, 41266408), (20, 30949806), (24, 25791505), (30, 20633204), (40, 15474903), (60, 10316602), (120, 5158301), (251, 2466120), (502, 1233060), (753, 822040), (1004, 616530), (1255, 493224), (1506, 411020), (2008, 308265), (2510, 246612), (3012, 205510), (3765, 164408), (5020, 123306), (6024, 102755), (7530, 82204), (10040, 61653), (15060, 41102), (20551, 30120)]