128074520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{6827}}^1$

素因数の和:6912

約数の個数: 64

約数和(自身を含む): 334298880

約数和(自身を除く): 206224360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 134, 140, 268, 280, 335, 469, 536, 670, 938, 1340, 1876, 2345, 2680, 3752, 4690, 6827, 9380, 13654, 18760, 27308, 34135, 47789, 54616, 68270, 95578, 136540, 191156, 238945, 273080, 382312, 457409, 477890, 914818, 955780, 1829636, 1911560, 2287045, 3201863, 3659272, 4574090, 6403726, 9148180, 12807452, 16009315, 18296360, 25614904, 32018630, 64037260, 128074520]

約数ペア:

[(1, 128074520), (2, 64037260), (4, 32018630), (5, 25614904), (7, 18296360), (8, 16009315), (10, 12807452), (14, 9148180), (20, 6403726), (28, 4574090), (35, 3659272), (40, 3201863), (56, 2287045), (67, 1911560), (70, 1829636), (134, 955780), (140, 914818), (268, 477890), (280, 457409), (335, 382312), (469, 273080), (536, 238945), (670, 191156), (938, 136540), (1340, 95578), (1876, 68270), (2345, 54616), (2680, 47789), (3752, 34135), (4690, 27308), (6827, 18760), (9380, 13654)]