78106880

素因数分解:

$2^8\times 5^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1$

素因数の和:599

約数の個数: 72

約数和(自身を含む): 188865600

約数和(自身を除く): 110758720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 256, 278, 320, 439, 556, 640, 695, 878, 1112, 1280, 1390, 1756, 2195, 2224, 2780, 3512, 4390, 4448, 5560, 7024, 8780, 8896, 11120, 14048, 17560, 17792, 22240, 28096, 35120, 35584, 44480, 56192, 61021, 70240, 88960, 112384, 122042, 140480, 177920, 244084, 280960, 305105, 488168, 561920, 610210, 976336, 1220420, 1952672, 2440840, 3905344, 4881680, 7810688, 9763360, 15621376, 19526720, 39053440, 78106880]

約数ペア:

[(1, 78106880), (2, 39053440), (4, 19526720), (5, 15621376), (8, 9763360), (10, 7810688), (16, 4881680), (20, 3905344), (32, 2440840), (40, 1952672), (64, 1220420), (80, 976336), (128, 610210), (139, 561920), (160, 488168), (256, 305105), (278, 280960), (320, 244084), (439, 177920), (556, 140480), (640, 122042), (695, 112384), (878, 88960), (1112, 70240), (1280, 61021), (1390, 56192), (1756, 44480), (2195, 35584), (2224, 35120), (2780, 28096), (3512, 22240), (4390, 17792), (4448, 17560), (5560, 14048), (7024, 11120), (8780, 8896)]