153921920

素因数分解:

$2^7\times 5^1\times {\mathrm{240503}}^1$

素因数の和:240522

約数の個数: 32

約数和(自身を含む): 367971120

約数和(自身を除く): 214049200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 240503, 481006, 962012, 1202515, 1924024, 2405030, 3848048, 4810060, 7696096, 9620120, 15392192, 19240240, 30784384, 38480480, 76960960, 153921920]

約数ペア:

[(1, 153921920), (2, 76960960), (4, 38480480), (5, 30784384), (8, 19240240), (10, 15392192), (16, 9620120), (20, 7696096), (32, 4810060), (40, 3848048), (64, 2405030), (80, 1924024), (128, 1202515), (160, 962012), (320, 481006), (640, 240503)]