153879680

素因数分解:

$2^7\times 5^1\times {\mathrm{240437}}^1$

素因数の和:240456

約数の個数: 32

約数和(自身を含む): 367870140

約数和(自身を除く): 213990460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 240437, 480874, 961748, 1202185, 1923496, 2404370, 3846992, 4808740, 7693984, 9617480, 15387968, 19234960, 30775936, 38469920, 76939840, 153879680]

約数ペア:

[(1, 153879680), (2, 76939840), (4, 38469920), (5, 30775936), (8, 19234960), (10, 15387968), (16, 9617480), (20, 7693984), (32, 4808740), (40, 3846992), (64, 2404370), (80, 1923496), (128, 1202185), (160, 961748), (320, 480874), (640, 240437)]