1280340

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{2371}}^1$

素因数の和:2389

約数の個数: 48

約数和(自身を含む): 3984960

約数和(自身を除く): 2704620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 2371, 4742, 7113, 9484, 11855, 14226, 21339, 23710, 28452, 35565, 42678, 47420, 64017, 71130, 85356, 106695, 128034, 142260, 213390, 256068, 320085, 426780, 640170, 1280340]

約数ペア:

[(1, 1280340), (2, 640170), (3, 426780), (4, 320085), (5, 256068), (6, 213390), (9, 142260), (10, 128034), (12, 106695), (15, 85356), (18, 71130), (20, 64017), (27, 47420), (30, 42678), (36, 35565), (45, 28452), (54, 23710), (60, 21339), (90, 14226), (108, 11855), (135, 9484), (180, 7113), (270, 4742), (540, 2371)]