12805980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19403}}^1$

素因数の和:19426

約数の個数: 48

約数和(自身を含む): 39118464

約数和(自身を除く): 26312484

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 19403, 38806, 58209, 77612, 97015, 116418, 194030, 213433, 232836, 291045, 388060, 426866, 582090, 640299, 853732, 1067165, 1164180, 1280598, 2134330, 2561196, 3201495, 4268660, 6402990, 12805980]

約数ペア:

[(1, 12805980), (2, 6402990), (3, 4268660), (4, 3201495), (5, 2561196), (6, 2134330), (10, 1280598), (11, 1164180), (12, 1067165), (15, 853732), (20, 640299), (22, 582090), (30, 426866), (33, 388060), (44, 291045), (55, 232836), (60, 213433), (66, 194030), (110, 116418), (132, 97015), (165, 77612), (220, 58209), (330, 38806), (660, 19403)]