1230257920

素因数分解:

$2^8\times 5^1\times {\mathrm{961139}}^1$

素因数の和:961160

約数の個数: 36

約数和(自身を含む): 2946855240

約数和(自身を除く): 1716597320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 961139, 1922278, 3844556, 4805695, 7689112, 9611390, 15378224, 19222780, 30756448, 38445560, 61512896, 76891120, 123025792, 153782240, 246051584, 307564480, 615128960, 1230257920]

約数ペア:

[(1, 1230257920), (2, 615128960), (4, 307564480), (5, 246051584), (8, 153782240), (10, 123025792), (16, 76891120), (20, 61512896), (32, 38445560), (40, 30756448), (64, 19222780), (80, 15378224), (128, 9611390), (160, 7689112), (256, 4805695), (320, 3844556), (640, 1922278), (1280, 961139)]