12157980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2089}}^1$

素因数の和:2198

約数の個数: 48

約数和(自身を含む): 34409760

約数和(自身を除く): 22251780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 194, 291, 388, 485, 582, 970, 1164, 1455, 1940, 2089, 2910, 4178, 5820, 6267, 8356, 10445, 12534, 20890, 25068, 31335, 41780, 62670, 125340, 202633, 405266, 607899, 810532, 1013165, 1215798, 2026330, 2431596, 3039495, 4052660, 6078990, 12157980]

約数ペア:

[(1, 12157980), (2, 6078990), (3, 4052660), (4, 3039495), (5, 2431596), (6, 2026330), (10, 1215798), (12, 1013165), (15, 810532), (20, 607899), (30, 405266), (60, 202633), (97, 125340), (194, 62670), (291, 41780), (388, 31335), (485, 25068), (582, 20890), (970, 12534), (1164, 10445), (1455, 8356), (1940, 6267), (2089, 5820), (2910, 4178)]