80731896

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{727}}^1$

素因数の和:1404

約数の個数: 64

約数和(自身を含む): 231329280

約数和(自身を除く): 150597384

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 661, 727, 1322, 1454, 1983, 2181, 2644, 2908, 3966, 4362, 4627, 5089, 5288, 5816, 7932, 8724, 9254, 10178, 13881, 15267, 15864, 17448, 18508, 20356, 27762, 30534, 37016, 40712, 55524, 61068, 111048, 122136, 480547, 961094, 1441641, 1922188, 2883282, 3363829, 3844376, 5766564, 6727658, 10091487, 11533128, 13455316, 20182974, 26910632, 40365948, 80731896]

約数ペア:

[(1, 80731896), (2, 40365948), (3, 26910632), (4, 20182974), (6, 13455316), (7, 11533128), (8, 10091487), (12, 6727658), (14, 5766564), (21, 3844376), (24, 3363829), (28, 2883282), (42, 1922188), (56, 1441641), (84, 961094), (168, 480547), (661, 122136), (727, 111048), (1322, 61068), (1454, 55524), (1983, 40712), (2181, 37016), (2644, 30534), (2908, 27762), (3966, 20356), (4362, 18508), (4627, 17448), (5089, 15864), (5288, 15267), (5816, 13881), (7932, 10178), (8724, 9254)]