121128640

素因数分解:

$2^6\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2411}}^1$

素因数の和:2585

約数の個数: 56

約数和(自身を含む): 290395152

約数和(自身を除く): 169266512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 157, 160, 314, 320, 628, 785, 1256, 1570, 2411, 2512, 3140, 4822, 5024, 6280, 9644, 10048, 12055, 12560, 19288, 24110, 25120, 38576, 48220, 50240, 77152, 96440, 154304, 192880, 378527, 385760, 757054, 771520, 1514108, 1892635, 3028216, 3785270, 6056432, 7570540, 12112864, 15141080, 24225728, 30282160, 60564320, 121128640]

約数ペア:

[(1, 121128640), (2, 60564320), (4, 30282160), (5, 24225728), (8, 15141080), (10, 12112864), (16, 7570540), (20, 6056432), (32, 3785270), (40, 3028216), (64, 1892635), (80, 1514108), (157, 771520), (160, 757054), (314, 385760), (320, 378527), (628, 192880), (785, 154304), (1256, 96440), (1570, 77152), (2411, 50240), (2512, 48220), (3140, 38576), (4822, 25120), (5024, 24110), (6280, 19288), (9644, 12560), (10048, 12055)]