128145920

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{7151}}^1$

素因数の和:7181

約数の個数: 80

約数和(自身を含む): 351191808

約数和(自身を除く): 223045888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 7151, 8960, 14302, 17920, 28604, 35755, 50057, 57208, 71510, 100114, 114416, 143020, 200228, 228832, 250285, 286040, 400456, 457664, 500570, 572080, 800912, 915328, 1001140, 1144160, 1601824, 1830656, 2002280, 2288320, 3203648, 3661312, 4004560, 4576640, 6407296, 8009120, 9153280, 12814592, 16018240, 18306560, 25629184, 32036480, 64072960, 128145920]

約数ペア:

[(1, 128145920), (2, 64072960), (4, 32036480), (5, 25629184), (7, 18306560), (8, 16018240), (10, 12814592), (14, 9153280), (16, 8009120), (20, 6407296), (28, 4576640), (32, 4004560), (35, 3661312), (40, 3203648), (56, 2288320), (64, 2002280), (70, 1830656), (80, 1601824), (112, 1144160), (128, 1001140), (140, 915328), (160, 800912), (224, 572080), (256, 500570), (280, 457664), (320, 400456), (448, 286040), (512, 250285), (560, 228832), (640, 200228), (896, 143020), (1120, 114416), (1280, 100114), (1792, 71510), (2240, 57208), (2560, 50057), (3584, 35755), (4480, 28604), (7151, 17920), (8960, 14302)]