64270640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{114769}}^1$

素因数の和:114789

約数の個数: 40

約数和(自身を含む): 170777760

約数和(自身を除く): 106507120

約数列:

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

約数ペア:

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