56871680

素因数分解:

$2^8\times 5^1\times {\mathrm{157}}^1\times {\mathrm{283}}^1$

素因数の和:461

約数の個数: 72

約数和(自身を含む): 137577552

約数和(自身を除く): 80705872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 157, 160, 256, 283, 314, 320, 566, 628, 640, 785, 1132, 1256, 1280, 1415, 1570, 2264, 2512, 2830, 3140, 4528, 5024, 5660, 6280, 9056, 10048, 11320, 12560, 18112, 20096, 22640, 25120, 36224, 40192, 44431, 45280, 50240, 72448, 88862, 90560, 100480, 177724, 181120, 200960, 222155, 355448, 362240, 444310, 710896, 888620, 1421792, 1777240, 2843584, 3554480, 5687168, 7108960, 11374336, 14217920, 28435840, 56871680]

約数ペア:

[(1, 56871680), (2, 28435840), (4, 14217920), (5, 11374336), (8, 7108960), (10, 5687168), (16, 3554480), (20, 2843584), (32, 1777240), (40, 1421792), (64, 888620), (80, 710896), (128, 444310), (157, 362240), (160, 355448), (256, 222155), (283, 200960), (314, 181120), (320, 177724), (566, 100480), (628, 90560), (640, 88862), (785, 72448), (1132, 50240), (1256, 45280), (1280, 44431), (1415, 40192), (1570, 36224), (2264, 25120), (2512, 22640), (2830, 20096), (3140, 18112), (4528, 12560), (5024, 11320), (5660, 10048), (6280, 9056)]