2142540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11903}}^1$

素因数の和:11918

約数の個数: 36

約数和(自身を含む): 6499584

約数和(自身を除く): 4357044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 11903, 23806, 35709, 47612, 59515, 71418, 107127, 119030, 142836, 178545, 214254, 238060, 357090, 428508, 535635, 714180, 1071270, 2142540]

約数ペア:

[(1, 2142540), (2, 1071270), (3, 714180), (4, 535635), (5, 428508), (6, 357090), (9, 238060), (10, 214254), (12, 178545), (15, 142836), (18, 119030), (20, 107127), (30, 71418), (36, 59515), (45, 47612), (60, 35709), (90, 23806), (180, 11903)]