7680820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{661}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 18684288

約数和(自身を除く): 11003468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 661, 830, 1162, 1322, 1660, 2324, 2644, 2905, 3305, 4627, 5810, 6610, 9254, 11620, 13220, 18508, 23135, 46270, 54863, 92540, 109726, 219452, 274315, 384041, 548630, 768082, 1097260, 1536164, 1920205, 3840410, 7680820]

約数ペア:

[(1, 7680820), (2, 3840410), (4, 1920205), (5, 1536164), (7, 1097260), (10, 768082), (14, 548630), (20, 384041), (28, 274315), (35, 219452), (70, 109726), (83, 92540), (140, 54863), (166, 46270), (332, 23135), (415, 18508), (581, 13220), (661, 11620), (830, 9254), (1162, 6610), (1322, 5810), (1660, 4627), (2324, 3305), (2644, 2905)]