18064480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{127}}^2$

素因数の和:276

約数の個数: 72

約数和(自身を含む): 49161168

約数和(自身を除く): 31096688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 127, 140, 160, 224, 254, 280, 508, 560, 635, 889, 1016, 1120, 1270, 1778, 2032, 2540, 3556, 4064, 4445, 5080, 7112, 8890, 10160, 14224, 16129, 17780, 20320, 28448, 32258, 35560, 64516, 71120, 80645, 112903, 129032, 142240, 161290, 225806, 258064, 322580, 451612, 516128, 564515, 645160, 903224, 1129030, 1290320, 1806448, 2258060, 2580640, 3612896, 4516120, 9032240, 18064480]

約数ペア:

[(1, 18064480), (2, 9032240), (4, 4516120), (5, 3612896), (7, 2580640), (8, 2258060), (10, 1806448), (14, 1290320), (16, 1129030), (20, 903224), (28, 645160), (32, 564515), (35, 516128), (40, 451612), (56, 322580), (70, 258064), (80, 225806), (112, 161290), (127, 142240), (140, 129032), (160, 112903), (224, 80645), (254, 71120), (280, 64516), (508, 35560), (560, 32258), (635, 28448), (889, 20320), (1016, 17780), (1120, 16129), (1270, 14224), (1778, 10160), (2032, 8890), (2540, 7112), (3556, 5080), (4064, 4445)]