142871680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31891}}^1$

素因数の和:31917

約数の個数: 64

約数和(自身を含む): 390358080

約数和(自身を除く): 247486400

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, 448, 560, 640, 896, 1120, 2240, 4480, 31891, 63782, 127564, 159455, 223237, 255128, 318910, 446474, 510256, 637820, 892948, 1020512, 1116185, 1275640, 1785896, 2041024, 2232370, 2551280, 3571792, 4082048, 4464740, 5102560, 7143584, 8929480, 10205120, 14287168, 17858960, 20410240, 28574336, 35717920, 71435840, 142871680]

約数ペア:

[(1, 142871680), (2, 71435840), (4, 35717920), (5, 28574336), (7, 20410240), (8, 17858960), (10, 14287168), (14, 10205120), (16, 8929480), (20, 7143584), (28, 5102560), (32, 4464740), (35, 4082048), (40, 3571792), (56, 2551280), (64, 2232370), (70, 2041024), (80, 1785896), (112, 1275640), (128, 1116185), (140, 1020512), (160, 892948), (224, 637820), (280, 510256), (320, 446474), (448, 318910), (560, 255128), (640, 223237), (896, 159455), (1120, 127564), (2240, 63782), (4480, 31891)]