813240

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{251}}^1$

素因数の和:274

約数の個数: 80

約数和(自身を含む): 2744280

約数和(自身を除く): 1931040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 251, 270, 324, 360, 405, 502, 540, 648, 753, 810, 1004, 1080, 1255, 1506, 1620, 2008, 2259, 2510, 3012, 3240, 3765, 4518, 5020, 6024, 6777, 7530, 9036, 10040, 11295, 13554, 15060, 18072, 20331, 22590, 27108, 30120, 33885, 40662, 45180, 54216, 67770, 81324, 90360, 101655, 135540, 162648, 203310, 271080, 406620, 813240]

約数ペア:

[(1, 813240), (2, 406620), (3, 271080), (4, 203310), (5, 162648), (6, 135540), (8, 101655), (9, 90360), (10, 81324), (12, 67770), (15, 54216), (18, 45180), (20, 40662), (24, 33885), (27, 30120), (30, 27108), (36, 22590), (40, 20331), (45, 18072), (54, 15060), (60, 13554), (72, 11295), (81, 10040), (90, 9036), (108, 7530), (120, 6777), (135, 6024), (162, 5020), (180, 4518), (216, 3765), (251, 3240), (270, 3012), (324, 2510), (360, 2259), (405, 2008), (502, 1620), (540, 1506), (648, 1255), (753, 1080), (810, 1004)]