1638865080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{4552403}}^1$

素因数の和:4552420

約数の個数: 48

約数和(自身を含む): 5326312680

約数和(自身を除く): 3687447600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 4552403, 9104806, 13657209, 18209612, 22762015, 27314418, 36419224, 40971627, 45524030, 54628836, 68286045, 81943254, 91048060, 109257672, 136572090, 163886508, 182096120, 204858135, 273144180, 327773016, 409716270, 546288360, 819432540, 1638865080]

約数ペア:

[(1, 1638865080), (2, 819432540), (3, 546288360), (4, 409716270), (5, 327773016), (6, 273144180), (8, 204858135), (9, 182096120), (10, 163886508), (12, 136572090), (15, 109257672), (18, 91048060), (20, 81943254), (24, 68286045), (30, 54628836), (36, 45524030), (40, 40971627), (45, 36419224), (60, 27314418), (72, 22762015), (90, 18209612), (120, 13657209), (180, 9104806), (360, 4552403)]