15138640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17203}}^1$

素因数の和:17227

約数の個数: 40

約数和(自身を含む): 38399328

約数和(自身を除く): 23260688

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 17203, 34406, 68812, 86015, 137624, 172030, 189233, 275248, 344060, 378466, 688120, 756932, 946165, 1376240, 1513864, 1892330, 3027728, 3784660, 7569320, 15138640]

約数ペア:

[(1, 15138640), (2, 7569320), (4, 3784660), (5, 3027728), (8, 1892330), (10, 1513864), (11, 1376240), (16, 946165), (20, 756932), (22, 688120), (40, 378466), (44, 344060), (55, 275248), (80, 189233), (88, 172030), (110, 137624), (176, 86015), (220, 68812), (440, 34406), (880, 17203)]