1966720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{439}}^1$

素因数の和:465

約数の個数: 64

約数和(自身を含む): 5385600

約数和(自身を除く): 3418880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 439, 448, 560, 640, 878, 896, 1120, 1756, 2195, 2240, 3073, 3512, 4390, 4480, 6146, 7024, 8780, 12292, 14048, 15365, 17560, 24584, 28096, 30730, 35120, 49168, 56192, 61460, 70240, 98336, 122920, 140480, 196672, 245840, 280960, 393344, 491680, 983360, 1966720]

約数ペア:

[(1, 1966720), (2, 983360), (4, 491680), (5, 393344), (7, 280960), (8, 245840), (10, 196672), (14, 140480), (16, 122920), (20, 98336), (28, 70240), (32, 61460), (35, 56192), (40, 49168), (56, 35120), (64, 30730), (70, 28096), (80, 24584), (112, 17560), (128, 15365), (140, 14048), (160, 12292), (224, 8780), (280, 7024), (320, 6146), (439, 4480), (448, 4390), (560, 3512), (640, 3073), (878, 2240), (896, 2195), (1120, 1756)]