161703640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{577513}}^1$

素因数の和:577531

約数の個数: 32

約数和(自身を含む): 415810080

約数和(自身を除く): 254106440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 577513, 1155026, 2310052, 2887565, 4042591, 4620104, 5775130, 8085182, 11550260, 16170364, 20212955, 23100520, 32340728, 40425910, 80851820, 161703640]

約数ペア:

[(1, 161703640), (2, 80851820), (4, 40425910), (5, 32340728), (7, 23100520), (8, 20212955), (10, 16170364), (14, 11550260), (20, 8085182), (28, 5775130), (35, 4620104), (40, 4042591), (56, 2887565), (70, 2310052), (140, 1155026), (280, 577513)]