157230640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{280769}}^1$

素因数の和:280789

約数の個数: 40

約数和(自身を含む): 417785760

約数和(自身を除く): 260555120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 280769, 561538, 1123076, 1403845, 1965383, 2246152, 2807690, 3930766, 4492304, 5615380, 7861532, 9826915, 11230760, 15723064, 19653830, 22461520, 31446128, 39307660, 78615320, 157230640]

約数ペア:

[(1, 157230640), (2, 78615320), (4, 39307660), (5, 31446128), (7, 22461520), (8, 19653830), (10, 15723064), (14, 11230760), (16, 9826915), (20, 7861532), (28, 5615380), (35, 4492304), (40, 3930766), (56, 2807690), (70, 2246152), (80, 1965383), (112, 1403845), (140, 1123076), (280, 561538), (560, 280769)]