142481920

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{7951}}^1$

素因数の和:7981

約数の個数: 80

約数和(自身を含む): 390475008

約数和(自身を除く): 247993088

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, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 7951, 8960, 15902, 17920, 31804, 39755, 55657, 63608, 79510, 111314, 127216, 159020, 222628, 254432, 278285, 318040, 445256, 508864, 556570, 636080, 890512, 1017728, 1113140, 1272160, 1781024, 2035456, 2226280, 2544320, 3562048, 4070912, 4452560, 5088640, 7124096, 8905120, 10177280, 14248192, 17810240, 20354560, 28496384, 35620480, 71240960, 142481920]

約数ペア:

[(1, 142481920), (2, 71240960), (4, 35620480), (5, 28496384), (7, 20354560), (8, 17810240), (10, 14248192), (14, 10177280), (16, 8905120), (20, 7124096), (28, 5088640), (32, 4452560), (35, 4070912), (40, 3562048), (56, 2544320), (64, 2226280), (70, 2035456), (80, 1781024), (112, 1272160), (128, 1113140), (140, 1017728), (160, 890512), (224, 636080), (256, 556570), (280, 508864), (320, 445256), (448, 318040), (512, 278285), (560, 254432), (640, 222628), (896, 159020), (1120, 127216), (1280, 111314), (1792, 79510), (2240, 63608), (2560, 55657), (3584, 39755), (4480, 31804), (7951, 17920), (8960, 15902)]