31116780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{172871}}^1$

素因数の和:172886

約数の個数: 36

約数和(自身を含む): 94388112

約数和(自身を除く): 63271332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 172871, 345742, 518613, 691484, 864355, 1037226, 1555839, 1728710, 2074452, 2593065, 3111678, 3457420, 5186130, 6223356, 7779195, 10372260, 15558390, 31116780]

約数ペア:

[(1, 31116780), (2, 15558390), (3, 10372260), (4, 7779195), (5, 6223356), (6, 5186130), (9, 3457420), (10, 3111678), (12, 2593065), (15, 2074452), (18, 1728710), (20, 1555839), (30, 1037226), (36, 864355), (45, 691484), (60, 518613), (90, 345742), (180, 172871)]