78139290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{20509}}^1$

素因数の和:20646

約数の個数: 32

約数和(自身を含む): 189020160

約数和(自身を除く): 110880870

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 127, 254, 381, 635, 762, 1270, 1905, 3810, 20509, 41018, 61527, 102545, 123054, 205090, 307635, 615270, 2604643, 5209286, 7813929, 13023215, 15627858, 26046430, 39069645, 78139290]

約数ペア:

[(1, 78139290), (2, 39069645), (3, 26046430), (5, 15627858), (6, 13023215), (10, 7813929), (15, 5209286), (30, 2604643), (127, 615270), (254, 307635), (381, 205090), (635, 123054), (762, 102545), (1270, 61527), (1905, 41018), (3810, 20509)]