168685960

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{293}}^1\times {\mathrm{389}}^1$

素因数の和:730

約数の個数: 64

約数和(自身を含む): 392137200

約数和(自身を除く): 223451240

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 293, 296, 370, 389, 586, 740, 778, 1172, 1465, 1480, 1556, 1945, 2344, 2930, 3112, 3890, 5860, 7780, 10841, 11720, 14393, 15560, 21682, 28786, 43364, 54205, 57572, 71965, 86728, 108410, 113977, 115144, 143930, 216820, 227954, 287860, 433640, 455908, 569885, 575720, 911816, 1139770, 2279540, 4217149, 4559080, 8434298, 16868596, 21085745, 33737192, 42171490, 84342980, 168685960]

約数ペア:

[(1, 168685960), (2, 84342980), (4, 42171490), (5, 33737192), (8, 21085745), (10, 16868596), (20, 8434298), (37, 4559080), (40, 4217149), (74, 2279540), (148, 1139770), (185, 911816), (293, 575720), (296, 569885), (370, 455908), (389, 433640), (586, 287860), (740, 227954), (778, 216820), (1172, 143930), (1465, 115144), (1480, 113977), (1556, 108410), (1945, 86728), (2344, 71965), (2930, 57572), (3112, 54205), (3890, 43364), (5860, 28786), (7780, 21682), (10841, 15560), (11720, 14393)]