1630780

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1217}}^1$

素因数の和:1293

約数の個数: 24

約数和(自身を含む): 3478608

約数和(自身を除く): 1847828

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1217, 1340, 2434, 4868, 6085, 12170, 24340, 81539, 163078, 326156, 407695, 815390, 1630780]

約数ペア:

[(1, 1630780), (2, 815390), (4, 407695), (5, 326156), (10, 163078), (20, 81539), (67, 24340), (134, 12170), (268, 6085), (335, 4868), (670, 2434), (1217, 1340)]