72257920

素因数分解:

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

素因数の和:280

約数の個数: 96

約数和(自身を含む): 198985680

約数和(自身を除く): 126727760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 127, 128, 140, 160, 224, 254, 280, 320, 448, 508, 560, 635, 640, 889, 896, 1016, 1120, 1270, 1778, 2032, 2240, 2540, 3556, 4064, 4445, 4480, 5080, 7112, 8128, 8890, 10160, 14224, 16129, 16256, 17780, 20320, 28448, 32258, 35560, 40640, 56896, 64516, 71120, 80645, 81280, 112903, 113792, 129032, 142240, 161290, 225806, 258064, 284480, 322580, 451612, 516128, 564515, 568960, 645160, 903224, 1032256, 1129030, 1290320, 1806448, 2064512, 2258060, 2580640, 3612896, 4516120, 5161280, 7225792, 9032240, 10322560, 14451584, 18064480, 36128960, 72257920]

約数ペア:

[(1, 72257920), (2, 36128960), (4, 18064480), (5, 14451584), (7, 10322560), (8, 9032240), (10, 7225792), (14, 5161280), (16, 4516120), (20, 3612896), (28, 2580640), (32, 2258060), (35, 2064512), (40, 1806448), (56, 1290320), (64, 1129030), (70, 1032256), (80, 903224), (112, 645160), (127, 568960), (128, 564515), (140, 516128), (160, 451612), (224, 322580), (254, 284480), (280, 258064), (320, 225806), (448, 161290), (508, 142240), (560, 129032), (635, 113792), (640, 112903), (889, 81280), (896, 80645), (1016, 71120), (1120, 64516), (1270, 56896), (1778, 40640), (2032, 35560), (2240, 32258), (2540, 28448), (3556, 20320), (4064, 17780), (4445, 16256), (4480, 16129), (5080, 14224), (7112, 10160), (8128, 8890)]