129810420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{721169}}^1$

素因数の和:721184

約数の個数: 36

約数和(自身を含む): 393758820

約数和(自身を除く): 263948400

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 721169, 1442338, 2163507, 2884676, 3605845, 4327014, 6490521, 7211690, 8654028, 10817535, 12981042, 14423380, 21635070, 25962084, 32452605, 43270140, 64905210, 129810420]

約数ペア:

[(1, 129810420), (2, 64905210), (3, 43270140), (4, 32452605), (5, 25962084), (6, 21635070), (9, 14423380), (10, 12981042), (12, 10817535), (15, 8654028), (18, 7211690), (20, 6490521), (30, 4327014), (36, 3605845), (45, 2884676), (60, 2163507), (90, 1442338), (180, 721169)]