178394490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{15131}}^1$

素因数の和:15275

約数の個数: 48

約数和(自身を含む): 467397216

約数和(自身を除く): 289002726

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 131, 262, 393, 655, 786, 1179, 1310, 1965, 2358, 3930, 5895, 11790, 15131, 30262, 45393, 75655, 90786, 136179, 151310, 226965, 272358, 453930, 680895, 1361790, 1982161, 3964322, 5946483, 9910805, 11892966, 17839449, 19821610, 29732415, 35678898, 59464830, 89197245, 178394490]

約数ペア:

[(1, 178394490), (2, 89197245), (3, 59464830), (5, 35678898), (6, 29732415), (9, 19821610), (10, 17839449), (15, 11892966), (18, 9910805), (30, 5946483), (45, 3964322), (90, 1982161), (131, 1361790), (262, 680895), (393, 453930), (655, 272358), (786, 226965), (1179, 151310), (1310, 136179), (1965, 90786), (2358, 75655), (3930, 45393), (5895, 30262), (11790, 15131)]