128541280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{114769}}^1$

素因数の和:114791

約数の個数: 48

約数和(自身を含む): 347064480

約数和(自身を除く): 218523200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 114769, 229538, 459076, 573845, 803383, 918152, 1147690, 1606766, 1836304, 2295380, 3213532, 3672608, 4016915, 4590760, 6427064, 8033830, 9181520, 12854128, 16067660, 18363040, 25708256, 32135320, 64270640, 128541280]

約数ペア:

[(1, 128541280), (2, 64270640), (4, 32135320), (5, 25708256), (7, 18363040), (8, 16067660), (10, 12854128), (14, 9181520), (16, 8033830), (20, 6427064), (28, 4590760), (32, 4016915), (35, 3672608), (40, 3213532), (56, 2295380), (70, 1836304), (80, 1606766), (112, 1147690), (140, 918152), (160, 803383), (224, 573845), (280, 459076), (560, 229538), (1120, 114769)]