30720138

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1949}}^1$

素因数の和:2062

約数の個数: 32

約数和(自身を含む): 64022400

約数和(自身を除く): 33302262

約数列:

[1, 2, 3, 6, 37, 71, 74, 111, 142, 213, 222, 426, 1949, 2627, 3898, 5254, 5847, 7881, 11694, 15762, 72113, 138379, 144226, 216339, 276758, 415137, 432678, 830274, 5120023, 10240046, 15360069, 30720138]

約数ペア:

[(1, 30720138), (2, 15360069), (3, 10240046), (6, 5120023), (37, 830274), (71, 432678), (74, 415137), (111, 276758), (142, 216339), (213, 144226), (222, 138379), (426, 72113), (1949, 15762), (2627, 11694), (3898, 7881), (5254, 5847)]