280808316

素因数分解:

$2^2\times 3^3\times {\mathrm{157}}^1\times {\mathrm{16561}}^1$

素因数の和:16731

約数の個数: 48

約数和(自身を含む): 732702880

約数和(自身を除く): 451894564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 157, 314, 471, 628, 942, 1413, 1884, 2826, 4239, 5652, 8478, 16561, 16956, 33122, 49683, 66244, 99366, 149049, 198732, 298098, 447147, 596196, 894294, 1788588, 2600077, 5200154, 7800231, 10400308, 15600462, 23400693, 31200924, 46801386, 70202079, 93602772, 140404158, 280808316]

約数ペア:

[(1, 280808316), (2, 140404158), (3, 93602772), (4, 70202079), (6, 46801386), (9, 31200924), (12, 23400693), (18, 15600462), (27, 10400308), (36, 7800231), (54, 5200154), (108, 2600077), (157, 1788588), (314, 894294), (471, 596196), (628, 447147), (942, 298098), (1413, 198732), (1884, 149049), (2826, 99366), (4239, 66244), (5652, 49683), (8478, 33122), (16561, 16956)]