28832820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{727}}^1$

素因数の和:1400

約数の個数: 48

約数和(自身を含む): 80965248

約数和(自身を除く): 52132428

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 661, 727, 1322, 1454, 1983, 2181, 2644, 2908, 3305, 3635, 3966, 4362, 6610, 7270, 7932, 8724, 9915, 10905, 13220, 14540, 19830, 21810, 39660, 43620, 480547, 961094, 1441641, 1922188, 2402735, 2883282, 4805470, 5766564, 7208205, 9610940, 14416410, 28832820]

約数ペア:

[(1, 28832820), (2, 14416410), (3, 9610940), (4, 7208205), (5, 5766564), (6, 4805470), (10, 2883282), (12, 2402735), (15, 1922188), (20, 1441641), (30, 961094), (60, 480547), (661, 43620), (727, 39660), (1322, 21810), (1454, 19830), (1983, 14540), (2181, 13220), (2644, 10905), (2908, 9915), (3305, 8724), (3635, 7932), (3966, 7270), (4362, 6610)]