155491160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{353389}}^1$

素因数の和:353411

約数の個数: 32

約数和(自身を含む): 381661200

約数和(自身を除く): 226170040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 353389, 706778, 1413556, 1766945, 2827112, 3533890, 3887279, 7067780, 7774558, 14135560, 15549116, 19436395, 31098232, 38872790, 77745580, 155491160]

約数ペア:

[(1, 155491160), (2, 77745580), (4, 38872790), (5, 31098232), (8, 19436395), (10, 15549116), (11, 14135560), (20, 7774558), (22, 7067780), (40, 3887279), (44, 3533890), (55, 2827112), (88, 1766945), (110, 1413556), (220, 706778), (440, 353389)]