2481920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{277}}^1$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 6818784

約数和(自身を除く): 4336864

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, 256, 277, 280, 320, 448, 554, 560, 640, 896, 1108, 1120, 1280, 1385, 1792, 1939, 2216, 2240, 2770, 3878, 4432, 4480, 5540, 7756, 8864, 8960, 9695, 11080, 15512, 17728, 19390, 22160, 31024, 35456, 38780, 44320, 62048, 70912, 77560, 88640, 124096, 155120, 177280, 248192, 310240, 354560, 496384, 620480, 1240960, 2481920]

約数ペア:

[(1, 2481920), (2, 1240960), (4, 620480), (5, 496384), (7, 354560), (8, 310240), (10, 248192), (14, 177280), (16, 155120), (20, 124096), (28, 88640), (32, 77560), (35, 70912), (40, 62048), (56, 44320), (64, 38780), (70, 35456), (80, 31024), (112, 22160), (128, 19390), (140, 17728), (160, 15512), (224, 11080), (256, 9695), (277, 8960), (280, 8864), (320, 7756), (448, 5540), (554, 4480), (560, 4432), (640, 3878), (896, 2770), (1108, 2240), (1120, 2216), (1280, 1939), (1385, 1792)]