640126944

素因数分解:

$2^5\times 3^2\times {\mathrm{2222663}}^1$

素因数の和:2222679

約数の個数: 36

約数和(自身を含む): 1820361816

約数和(自身を除く): 1180234872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 2222663, 4445326, 6667989, 8890652, 13335978, 17781304, 20003967, 26671956, 35562608, 40007934, 53343912, 71125216, 80015868, 106687824, 160031736, 213375648, 320063472, 640126944]

約数ペア:

[(1, 640126944), (2, 320063472), (3, 213375648), (4, 160031736), (6, 106687824), (8, 80015868), (9, 71125216), (12, 53343912), (16, 40007934), (18, 35562608), (24, 26671956), (32, 20003967), (36, 17781304), (48, 13335978), (72, 8890652), (96, 6667989), (144, 4445326), (288, 2222663)]