21780915200

素因数分解:

$2^{10}\times 5^2\times {\mathrm{11}}^1\times {\mathrm{77347}}^1$

素因数の和:77388

約数の個数: 132

約数和(自身を含む): 58899264432

約数和(自身を除く): 37118349232

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 128, 160, 176, 200, 220, 256, 275, 320, 352, 400, 440, 512, 550, 640, 704, 800, 880, 1024, 1100, 1280, 1408, 1600, 1760, 2200, 2560, 2816, 3200, 3520, 4400, 5120, 5632, 6400, 7040, 8800, 11264, 12800, 14080, 17600, 25600, 28160, 35200, 56320, 70400, 77347, 140800, 154694, 281600, 309388, 386735, 618776, 773470, 850817, 1237552, 1546940, 1701634, 1933675, 2475104, 3093880, 3403268, 3867350, 4254085, 4950208, 6187760, 6806536, 7734700, 8508170, 9900416, 12375520, 13613072, 15469400, 17016340, 19800832, 21270425, 24751040, 27226144, 30938800, 34032680, 39601664, 42540850, 49502080, 54452288, 61877600, 68065360, 79203328, 85081700, 99004160, 108904576, 123755200, 136130720, 170163400, 198008320, 217809152, 247510400, 272261440, 340326800, 396016640, 435618304, 495020800, 544522880, 680653600, 871236608, 990041600, 1089045760, 1361307200, 1980083200, 2178091520, 2722614400, 4356183040, 5445228800, 10890457600, 21780915200]

約数ペア:

[(1, 21780915200), (2, 10890457600), (4, 5445228800), (5, 4356183040), (8, 2722614400), (10, 2178091520), (11, 1980083200), (16, 1361307200), (20, 1089045760), (22, 990041600), (25, 871236608), (32, 680653600), (40, 544522880), (44, 495020800), (50, 435618304), (55, 396016640), (64, 340326800), (80, 272261440), (88, 247510400), (100, 217809152), (110, 198008320), (128, 170163400), (160, 136130720), (176, 123755200), (200, 108904576), (220, 99004160), (256, 85081700), (275, 79203328), (320, 68065360), (352, 61877600), (400, 54452288), (440, 49502080), (512, 42540850), (550, 39601664), (640, 34032680), (704, 30938800), (800, 27226144), (880, 24751040), (1024, 21270425), (1100, 19800832), (1280, 17016340), (1408, 15469400), (1600, 13613072), (1760, 12375520), (2200, 9900416), (2560, 8508170), (2816, 7734700), (3200, 6806536), (3520, 6187760), (4400, 4950208), (5120, 4254085), (5632, 3867350), (6400, 3403268), (7040, 3093880), (8800, 2475104), (11264, 1933675), (12800, 1701634), (14080, 1546940), (17600, 1237552), (25600, 850817), (28160, 773470), (35200, 618776), (56320, 386735), (70400, 309388), (77347, 281600), (140800, 154694)]