156697280

素因数分解:

$2^6\times 5^1\times {\mathrm{489679}}^1$

素因数の和:489696

約数の個数: 28

約数和(自身を含む): 373136160

約数和(自身を除く): 216438880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 489679, 979358, 1958716, 2448395, 3917432, 4896790, 7834864, 9793580, 15669728, 19587160, 31339456, 39174320, 78348640, 156697280]

約数ペア:

[(1, 156697280), (2, 78348640), (4, 39174320), (5, 31339456), (8, 19587160), (10, 15669728), (16, 9793580), (20, 7834864), (32, 4896790), (40, 3917432), (64, 2448395), (80, 1958716), (160, 979358), (320, 489679)]