258064000

素因数分解:

$2^7\times 5^3\times {\mathrm{127}}^2$

素因数の和:283

約数の個数: 96

約数和(自身を含む): 646703460

約数和(自身を除く): 388639460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 127, 128, 160, 200, 250, 254, 320, 400, 500, 508, 635, 640, 800, 1000, 1016, 1270, 1600, 2000, 2032, 2540, 3175, 3200, 4000, 4064, 5080, 6350, 8000, 8128, 10160, 12700, 15875, 16000, 16129, 16256, 20320, 25400, 31750, 32258, 40640, 50800, 63500, 64516, 80645, 81280, 101600, 127000, 129032, 161290, 203200, 254000, 258064, 322580, 403225, 406400, 508000, 516128, 645160, 806450, 1016000, 1032256, 1290320, 1612900, 2016125, 2032000, 2064512, 2580640, 3225800, 4032250, 5161280, 6451600, 8064500, 10322560, 12903200, 16129000, 25806400, 32258000, 51612800, 64516000, 129032000, 258064000]

約数ペア:

[(1, 258064000), (2, 129032000), (4, 64516000), (5, 51612800), (8, 32258000), (10, 25806400), (16, 16129000), (20, 12903200), (25, 10322560), (32, 8064500), (40, 6451600), (50, 5161280), (64, 4032250), (80, 3225800), (100, 2580640), (125, 2064512), (127, 2032000), (128, 2016125), (160, 1612900), (200, 1290320), (250, 1032256), (254, 1016000), (320, 806450), (400, 645160), (500, 516128), (508, 508000), (635, 406400), (640, 403225), (800, 322580), (1000, 258064), (1016, 254000), (1270, 203200), (1600, 161290), (2000, 129032), (2032, 127000), (2540, 101600), (3175, 81280), (3200, 80645), (4000, 64516), (4064, 63500), (5080, 50800), (6350, 40640), (8000, 32258), (8128, 31750), (10160, 25400), (12700, 20320), (15875, 16256), (16000, 16129)]