138695360

素因数分解:

$2^6\times 5^1\times {\mathrm{67}}^1\times {\mathrm{6469}}^1$

素因数の和:6553

約数の個数: 56

約数和(自身を含む): 335249520

約数和(自身を除く): 196554160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 134, 160, 268, 320, 335, 536, 670, 1072, 1340, 2144, 2680, 4288, 5360, 6469, 10720, 12938, 21440, 25876, 32345, 51752, 64690, 103504, 129380, 207008, 258760, 414016, 433423, 517520, 866846, 1035040, 1733692, 2070080, 2167115, 3467384, 4334230, 6934768, 8668460, 13869536, 17336920, 27739072, 34673840, 69347680, 138695360]

約数ペア:

[(1, 138695360), (2, 69347680), (4, 34673840), (5, 27739072), (8, 17336920), (10, 13869536), (16, 8668460), (20, 6934768), (32, 4334230), (40, 3467384), (64, 2167115), (67, 2070080), (80, 1733692), (134, 1035040), (160, 866846), (268, 517520), (320, 433423), (335, 414016), (536, 258760), (670, 207008), (1072, 129380), (1340, 103504), (2144, 64690), (2680, 51752), (4288, 32345), (5360, 25876), (6469, 21440), (10720, 12938)]