218489220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1213829}}^1$

素因数の和:1213844

約数の個数: 36

約数和(自身を含む): 662751180

約数和(自身を除く): 444261960

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1213829, 2427658, 3641487, 4855316, 6069145, 7282974, 10924461, 12138290, 14565948, 18207435, 21848922, 24276580, 36414870, 43697844, 54622305, 72829740, 109244610, 218489220]

約数ペア:

[(1, 218489220), (2, 109244610), (3, 72829740), (4, 54622305), (5, 43697844), (6, 36414870), (9, 24276580), (10, 21848922), (12, 18207435), (15, 14565948), (18, 12138290), (20, 10924461), (30, 7282974), (36, 6069145), (45, 4855316), (60, 3641487), (90, 2427658), (180, 1213829)]