81241740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{451343}}^1$

素因数の和:451358

約数の個数: 36

約数和(自身を含む): 246433824

約数和(自身を除く): 165192084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 451343, 902686, 1354029, 1805372, 2256715, 2708058, 4062087, 4513430, 5416116, 6770145, 8124174, 9026860, 13540290, 16248348, 20310435, 27080580, 40620870, 81241740]

約数ペア:

[(1, 81241740), (2, 40620870), (3, 27080580), (4, 20310435), (5, 16248348), (6, 13540290), (9, 9026860), (10, 8124174), (12, 6770145), (15, 5416116), (18, 4513430), (20, 4062087), (30, 2708058), (36, 2256715), (45, 1805372), (60, 1354029), (90, 902686), (180, 451343)]