81346920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{677891}}^1$

素因数の和:677905

約数の個数: 32

約数和(自身を含む): 244041120

約数和(自身を除く): 162694200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 677891, 1355782, 2033673, 2711564, 3389455, 4067346, 5423128, 6778910, 8134692, 10168365, 13557820, 16269384, 20336730, 27115640, 40673460, 81346920]

約数ペア:

[(1, 81346920), (2, 40673460), (3, 27115640), (4, 20336730), (5, 16269384), (6, 13557820), (8, 10168365), (10, 8134692), (12, 6778910), (15, 5423128), (20, 4067346), (24, 3389455), (30, 2711564), (40, 2033673), (60, 1355782), (120, 677891)]