156821220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{871229}}^1$

素因数の和:871244

約数の個数: 36

約数和(自身を含む): 475691580

約数和(自身を除く): 318870360

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 871229, 1742458, 2613687, 3484916, 4356145, 5227374, 7841061, 8712290, 10454748, 13068435, 15682122, 17424580, 26136870, 31364244, 39205305, 52273740, 78410610, 156821220]

約数ペア:

[(1, 156821220), (2, 78410610), (3, 52273740), (4, 39205305), (5, 31364244), (6, 26136870), (9, 17424580), (10, 15682122), (12, 13068435), (15, 10454748), (18, 8712290), (20, 7841061), (30, 5227374), (36, 4356145), (45, 3484916), (60, 2613687), (90, 1742458), (180, 871229)]