1811200

素因数分解:

$2^8\times 5^2\times {\mathrm{283}}^1$

素因数の和:309

約数の個数: 54

約数和(自身を含む): 4498844

約数和(自身を除く): 2687644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 283, 320, 400, 566, 640, 800, 1132, 1280, 1415, 1600, 2264, 2830, 3200, 4528, 5660, 6400, 7075, 9056, 11320, 14150, 18112, 22640, 28300, 36224, 45280, 56600, 72448, 90560, 113200, 181120, 226400, 362240, 452800, 905600, 1811200]

約数ペア:

[(1, 1811200), (2, 905600), (4, 452800), (5, 362240), (8, 226400), (10, 181120), (16, 113200), (20, 90560), (25, 72448), (32, 56600), (40, 45280), (50, 36224), (64, 28300), (80, 22640), (100, 18112), (128, 14150), (160, 11320), (200, 9056), (256, 7075), (283, 6400), (320, 5660), (400, 4528), (566, 3200), (640, 2830), (800, 2264), (1132, 1600), (1280, 1415)]