179622320

素因数分解:

$2^4\times 5^1\times {\mathrm{1039}}^1\times {\mathrm{2161}}^1$

素因数の和:3213

約数の個数: 40

約数和(自身を含む): 418217280

約数和(自身を除く): 238594960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1039, 2078, 2161, 4156, 4322, 5195, 8312, 8644, 10390, 10805, 16624, 17288, 20780, 21610, 34576, 41560, 43220, 83120, 86440, 172880, 2245279, 4490558, 8981116, 11226395, 17962232, 22452790, 35924464, 44905580, 89811160, 179622320]

約数ペア:

[(1, 179622320), (2, 89811160), (4, 44905580), (5, 35924464), (8, 22452790), (10, 17962232), (16, 11226395), (20, 8981116), (40, 4490558), (80, 2245279), (1039, 172880), (2078, 86440), (2161, 83120), (4156, 43220), (4322, 41560), (5195, 34576), (8312, 21610), (8644, 20780), (10390, 17288), (10805, 16624)]