83121920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{9277}}^1$

素因数の和:9305

約数の個数: 72

約数和(自身を含む): 227570784

約数和(自身を除く): 144448864

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, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 9277, 18554, 37108, 46385, 64939, 74216, 92770, 129878, 148432, 185540, 259756, 296864, 324695, 371080, 519512, 593728, 649390, 742160, 1039024, 1187456, 1298780, 1484320, 2078048, 2374912, 2597560, 2968640, 4156096, 5195120, 5937280, 8312192, 10390240, 11874560, 16624384, 20780480, 41560960, 83121920]

約数ペア:

[(1, 83121920), (2, 41560960), (4, 20780480), (5, 16624384), (7, 11874560), (8, 10390240), (10, 8312192), (14, 5937280), (16, 5195120), (20, 4156096), (28, 2968640), (32, 2597560), (35, 2374912), (40, 2078048), (56, 1484320), (64, 1298780), (70, 1187456), (80, 1039024), (112, 742160), (128, 649390), (140, 593728), (160, 519512), (224, 371080), (256, 324695), (280, 296864), (320, 259756), (448, 185540), (560, 148432), (640, 129878), (896, 92770), (1120, 74216), (1280, 64939), (1792, 46385), (2240, 37108), (4480, 18554), (8960, 9277)]