155111360

素因数分解:

$2^6\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4447}}^1$

素因数の和:4573

約数の個数: 56

約数和(自身を含む): 372831360

約数和(自身を除く): 217720000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 160, 218, 320, 436, 545, 872, 1090, 1744, 2180, 3488, 4360, 4447, 6976, 8720, 8894, 17440, 17788, 22235, 34880, 35576, 44470, 71152, 88940, 142304, 177880, 284608, 355760, 484723, 711520, 969446, 1423040, 1938892, 2423615, 3877784, 4847230, 7755568, 9694460, 15511136, 19388920, 31022272, 38777840, 77555680, 155111360]

約数ペア:

[(1, 155111360), (2, 77555680), (4, 38777840), (5, 31022272), (8, 19388920), (10, 15511136), (16, 9694460), (20, 7755568), (32, 4847230), (40, 3877784), (64, 2423615), (80, 1938892), (109, 1423040), (160, 969446), (218, 711520), (320, 484723), (436, 355760), (545, 284608), (872, 177880), (1090, 142304), (1744, 88940), (2180, 71152), (3488, 44470), (4360, 35576), (4447, 34880), (6976, 22235), (8720, 17788), (8894, 17440)]