153441920

素因数分解:

$2^7\times 5^1\times {\mathrm{239753}}^1$

素因数の和:239772

約数の個数: 32

約数和(自身を含む): 366823620

約数和(自身を除く): 213381700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 239753, 479506, 959012, 1198765, 1918024, 2397530, 3836048, 4795060, 7672096, 9590120, 15344192, 19180240, 30688384, 38360480, 76720960, 153441920]

約数ペア:

[(1, 153441920), (2, 76720960), (4, 38360480), (5, 30688384), (8, 19180240), (10, 15344192), (16, 9590120), (20, 7672096), (32, 4795060), (40, 3836048), (64, 2397530), (80, 1918024), (128, 1198765), (160, 959012), (320, 479506), (640, 239753)]