163908640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{146347}}^1$

素因数の和:146369

約数の個数: 48

約数和(自身を含む): 442556352

約数和(自身を除く): 278647712

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, 146347, 292694, 585388, 731735, 1024429, 1170776, 1463470, 2048858, 2341552, 2926940, 4097716, 4683104, 5122145, 5853880, 8195432, 10244290, 11707760, 16390864, 20488580, 23415520, 32781728, 40977160, 81954320, 163908640]

約数ペア:

[(1, 163908640), (2, 81954320), (4, 40977160), (5, 32781728), (7, 23415520), (8, 20488580), (10, 16390864), (14, 11707760), (16, 10244290), (20, 8195432), (28, 5853880), (32, 5122145), (35, 4683104), (40, 4097716), (56, 2926940), (70, 2341552), (80, 2048858), (112, 1463470), (140, 1170776), (160, 1024429), (224, 731735), (280, 585388), (560, 292694), (1120, 146347)]