1260304840

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{470263}}^1$

素因数の和:470341

約数の個数: 32

約数和(自身を含む): 2878015680

約数和(自身を除く): 1617710840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 470263, 940526, 1881052, 2351315, 3762104, 4702630, 9405260, 18810520, 31507621, 63015242, 126030484, 157538105, 252060968, 315076210, 630152420, 1260304840]

約数ペア:

[(1, 1260304840), (2, 630152420), (4, 315076210), (5, 252060968), (8, 157538105), (10, 126030484), (20, 63015242), (40, 31507621), (67, 18810520), (134, 9405260), (268, 4702630), (335, 3762104), (536, 2351315), (670, 1881052), (1340, 940526), (2680, 470263)]