79471620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1759}}^1$

素因数の和:2025

約数の個数: 72

約数和(自身を含む): 242161920

約数和(自身を除く): 162690300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 251, 502, 753, 1004, 1255, 1506, 1759, 2259, 2510, 3012, 3518, 3765, 4518, 5020, 5277, 7036, 7530, 8795, 9036, 10554, 11295, 15060, 15831, 17590, 21108, 22590, 26385, 31662, 35180, 45180, 52770, 63324, 79155, 105540, 158310, 316620, 441509, 883018, 1324527, 1766036, 2207545, 2649054, 3973581, 4415090, 5298108, 6622635, 7947162, 8830180, 13245270, 15894324, 19867905, 26490540, 39735810, 79471620]

約数ペア:

[(1, 79471620), (2, 39735810), (3, 26490540), (4, 19867905), (5, 15894324), (6, 13245270), (9, 8830180), (10, 7947162), (12, 6622635), (15, 5298108), (18, 4415090), (20, 3973581), (30, 2649054), (36, 2207545), (45, 1766036), (60, 1324527), (90, 883018), (180, 441509), (251, 316620), (502, 158310), (753, 105540), (1004, 79155), (1255, 63324), (1506, 52770), (1759, 45180), (2259, 35180), (2510, 31662), (3012, 26385), (3518, 22590), (3765, 21108), (4518, 17590), (5020, 15831), (5277, 15060), (7036, 11295), (7530, 10554), (8795, 9036)]