80408172

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1279}}^1$

素因数の和:1343

約数の個数: 72

約数和(自身を含む): 209879040

約数和(自身を除く): 129470868

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 169, 186, 338, 372, 403, 507, 676, 806, 1014, 1209, 1279, 1612, 2028, 2418, 2558, 3837, 4836, 5116, 5239, 7674, 10478, 15348, 15717, 16627, 20956, 31434, 33254, 39649, 49881, 62868, 66508, 79298, 99762, 118947, 158596, 199524, 216151, 237894, 432302, 475788, 515437, 648453, 864604, 1030874, 1296906, 1546311, 2061748, 2593812, 3092622, 6185244, 6700681, 13401362, 20102043, 26802724, 40204086, 80408172]

約数ペア:

[(1, 80408172), (2, 40204086), (3, 26802724), (4, 20102043), (6, 13401362), (12, 6700681), (13, 6185244), (26, 3092622), (31, 2593812), (39, 2061748), (52, 1546311), (62, 1296906), (78, 1030874), (93, 864604), (124, 648453), (156, 515437), (169, 475788), (186, 432302), (338, 237894), (372, 216151), (403, 199524), (507, 158596), (676, 118947), (806, 99762), (1014, 79298), (1209, 66508), (1279, 62868), (1612, 49881), (2028, 39649), (2418, 33254), (2558, 31434), (3837, 20956), (4836, 16627), (5116, 15717), (5239, 15348), (7674, 10478)]