80438760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{223441}}^1$

素因数の和:223458

約数の個数: 48

約数和(自身を含む): 261427140

約数和(自身を除く): 180988380

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 223441, 446882, 670323, 893764, 1117205, 1340646, 1787528, 2010969, 2234410, 2681292, 3351615, 4021938, 4468820, 5362584, 6703230, 8043876, 8937640, 10054845, 13406460, 16087752, 20109690, 26812920, 40219380, 80438760]

約数ペア:

[(1, 80438760), (2, 40219380), (3, 26812920), (4, 20109690), (5, 16087752), (6, 13406460), (8, 10054845), (9, 8937640), (10, 8043876), (12, 6703230), (15, 5362584), (18, 4468820), (20, 4021938), (24, 3351615), (30, 2681292), (36, 2234410), (40, 2010969), (45, 1787528), (60, 1340646), (72, 1117205), (90, 893764), (120, 670323), (180, 446882), (360, 223441)]