128480000

素因数分解:

$2^8\times 5^4\times {\mathrm{11}}^1\times {\mathrm{73}}^1$

素因数の和:120

約数の個数: 180

約数和(自身を含む): 354392808

約数和(自身を除く): 225912808

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 73, 80, 88, 100, 110, 125, 128, 146, 160, 176, 200, 220, 250, 256, 275, 292, 320, 352, 365, 400, 440, 500, 550, 584, 625, 640, 704, 730, 800, 803, 880, 1000, 1100, 1168, 1250, 1280, 1375, 1408, 1460, 1600, 1606, 1760, 1825, 2000, 2200, 2336, 2500, 2750, 2816, 2920, 3200, 3212, 3520, 3650, 4000, 4015, 4400, 4672, 5000, 5500, 5840, 6400, 6424, 6875, 7040, 7300, 8000, 8030, 8800, 9125, 9344, 10000, 11000, 11680, 12848, 13750, 14080, 14600, 16000, 16060, 17600, 18250, 18688, 20000, 20075, 22000, 23360, 25696, 27500, 29200, 32000, 32120, 35200, 36500, 40000, 40150, 44000, 45625, 46720, 51392, 55000, 58400, 64240, 70400, 73000, 80000, 80300, 88000, 91250, 93440, 100375, 102784, 110000, 116800, 128480, 146000, 160000, 160600, 176000, 182500, 200750, 205568, 220000, 233600, 256960, 292000, 321200, 352000, 365000, 401500, 440000, 467200, 501875, 513920, 584000, 642400, 730000, 803000, 880000, 1003750, 1027840, 1168000, 1284800, 1460000, 1606000, 1760000, 2007500, 2336000, 2569600, 2920000, 3212000, 4015000, 5139200, 5840000, 6424000, 8030000, 11680000, 12848000, 16060000, 25696000, 32120000, 64240000, 128480000]

約数ペア:

[(1, 128480000), (2, 64240000), (4, 32120000), (5, 25696000), (8, 16060000), (10, 12848000), (11, 11680000), (16, 8030000), (20, 6424000), (22, 5840000), (25, 5139200), (32, 4015000), (40, 3212000), (44, 2920000), (50, 2569600), (55, 2336000), (64, 2007500), (73, 1760000), (80, 1606000), (88, 1460000), (100, 1284800), (110, 1168000), (125, 1027840), (128, 1003750), (146, 880000), (160, 803000), (176, 730000), (200, 642400), (220, 584000), (250, 513920), (256, 501875), (275, 467200), (292, 440000), (320, 401500), (352, 365000), (365, 352000), (400, 321200), (440, 292000), (500, 256960), (550, 233600), (584, 220000), (625, 205568), (640, 200750), (704, 182500), (730, 176000), (800, 160600), (803, 160000), (880, 146000), (1000, 128480), (1100, 116800), (1168, 110000), (1250, 102784), (1280, 100375), (1375, 93440), (1408, 91250), (1460, 88000), (1600, 80300), (1606, 80000), (1760, 73000), (1825, 70400), (2000, 64240), (2200, 58400), (2336, 55000), (2500, 51392), (2750, 46720), (2816, 45625), (2920, 44000), (3200, 40150), (3212, 40000), (3520, 36500), (3650, 35200), (4000, 32120), (4015, 32000), (4400, 29200), (4672, 27500), (5000, 25696), (5500, 23360), (5840, 22000), (6400, 20075), (6424, 20000), (6875, 18688), (7040, 18250), (7300, 17600), (8000, 16060), (8030, 16000), (8800, 14600), (9125, 14080), (9344, 13750), (10000, 12848), (11000, 11680)]