221016780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1227871}}^1$

素因数の和:1227886

約数の個数: 36

約数和(自身を含む): 670418112

約数和(自身を除く): 449401332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1227871, 2455742, 3683613, 4911484, 6139355, 7367226, 11050839, 12278710, 14734452, 18418065, 22101678, 24557420, 36836130, 44203356, 55254195, 73672260, 110508390, 221016780]

約数ペア:

[(1, 221016780), (2, 110508390), (3, 73672260), (4, 55254195), (5, 44203356), (6, 36836130), (9, 24557420), (10, 22101678), (12, 18418065), (15, 14734452), (18, 12278710), (20, 11050839), (30, 7367226), (36, 6139355), (45, 4911484), (60, 3683613), (90, 2455742), (180, 1227871)]