72768420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{404269}}^1$

素因数の和:404284

約数の個数: 36

約数和(自身を含む): 220731420

約数和(自身を除く): 147963000

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 404269, 808538, 1212807, 1617076, 2021345, 2425614, 3638421, 4042690, 4851228, 6064035, 7276842, 8085380, 12128070, 14553684, 18192105, 24256140, 36384210, 72768420]

約数ペア:

[(1, 72768420), (2, 36384210), (3, 24256140), (4, 18192105), (5, 14553684), (6, 12128070), (9, 8085380), (10, 7276842), (12, 6064035), (15, 4851228), (18, 4042690), (20, 3638421), (30, 2425614), (36, 2021345), (45, 1617076), (60, 1212807), (90, 808538), (180, 404269)]