80778564

素因数分解:

$2^2\times 3^2\times {\mathrm{331}}^1\times {\mathrm{6779}}^1$

素因数の和:7120

約数の個数: 36

約数和(自身を含む): 204837360

約数和(自身を除く): 124058796

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 331, 662, 993, 1324, 1986, 2979, 3972, 5958, 6779, 11916, 13558, 20337, 27116, 40674, 61011, 81348, 122022, 244044, 2243849, 4487698, 6731547, 8975396, 13463094, 20194641, 26926188, 40389282, 80778564]

約数ペア:

[(1, 80778564), (2, 40389282), (3, 26926188), (4, 20194641), (6, 13463094), (9, 8975396), (12, 6731547), (18, 4487698), (36, 2243849), (331, 244044), (662, 122022), (993, 81348), (1324, 61011), (1986, 40674), (2979, 27116), (3972, 20337), (5958, 13558), (6779, 11916)]