155772160

素因数分解:

$2^8\times 5^1\times {\mathrm{121697}}^1$

素因数の和:121718

約数の個数: 36

約数和(自身を含む): 373126068

約数和(自身を除く): 217353908

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 121697, 243394, 486788, 608485, 973576, 1216970, 1947152, 2433940, 3894304, 4867880, 7788608, 9735760, 15577216, 19471520, 31154432, 38943040, 77886080, 155772160]

約数ペア:

[(1, 155772160), (2, 77886080), (4, 38943040), (5, 31154432), (8, 19471520), (10, 15577216), (16, 9735760), (20, 7788608), (32, 4867880), (40, 3894304), (64, 2433940), (80, 1947152), (128, 1216970), (160, 973576), (256, 608485), (320, 486788), (640, 243394), (1280, 121697)]