12981920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:262

約数の個数: 96

約数和(自身を含む): 35779968

約数和(自身を除く): 22798048

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 67, 70, 80, 112, 134, 140, 160, 173, 224, 268, 280, 335, 346, 469, 536, 560, 670, 692, 865, 938, 1072, 1120, 1211, 1340, 1384, 1730, 1876, 2144, 2345, 2422, 2680, 2768, 3460, 3752, 4690, 4844, 5360, 5536, 6055, 6920, 7504, 9380, 9688, 10720, 11591, 12110, 13840, 15008, 18760, 19376, 23182, 24220, 27680, 37520, 38752, 46364, 48440, 57955, 75040, 81137, 92728, 96880, 115910, 162274, 185456, 193760, 231820, 324548, 370912, 405685, 463640, 649096, 811370, 927280, 1298192, 1622740, 1854560, 2596384, 3245480, 6490960, 12981920]

約数ペア:

[(1, 12981920), (2, 6490960), (4, 3245480), (5, 2596384), (7, 1854560), (8, 1622740), (10, 1298192), (14, 927280), (16, 811370), (20, 649096), (28, 463640), (32, 405685), (35, 370912), (40, 324548), (56, 231820), (67, 193760), (70, 185456), (80, 162274), (112, 115910), (134, 96880), (140, 92728), (160, 81137), (173, 75040), (224, 57955), (268, 48440), (280, 46364), (335, 38752), (346, 37520), (469, 27680), (536, 24220), (560, 23182), (670, 19376), (692, 18760), (865, 15008), (938, 13840), (1072, 12110), (1120, 11591), (1211, 10720), (1340, 9688), (1384, 9380), (1730, 7504), (1876, 6920), (2144, 6055), (2345, 5536), (2422, 5360), (2680, 4844), (2768, 4690), (3460, 3752)]