261204390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{2902271}}^1$

素因数の和:2902284

約数の個数: 24

約数和(自身を含む): 679131648

約数和(自身を除く): 417927258

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 2902271, 5804542, 8706813, 14511355, 17413626, 26120439, 29022710, 43534065, 52240878, 87068130, 130602195, 261204390]

約数ペア:

[(1, 261204390), (2, 130602195), (3, 87068130), (5, 52240878), (6, 43534065), (9, 29022710), (10, 26120439), (15, 17413626), (18, 14511355), (30, 8706813), (45, 5804542), (90, 2902271)]