67808000

素因数分解:

$2^8\times 5^3\times {\mathrm{13}}^1\times {\mathrm{163}}^1$

素因数の和:207

約数の個数: 144

約数和(自身を含む): 183027936

約数和(自身を除く): 115219936

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 125, 128, 130, 160, 163, 200, 208, 250, 256, 260, 320, 325, 326, 400, 416, 500, 520, 640, 650, 652, 800, 815, 832, 1000, 1040, 1280, 1300, 1304, 1600, 1625, 1630, 1664, 2000, 2080, 2119, 2600, 2608, 3200, 3250, 3260, 3328, 4000, 4075, 4160, 4238, 5200, 5216, 6400, 6500, 6520, 8000, 8150, 8320, 8476, 10400, 10432, 10595, 13000, 13040, 16000, 16300, 16640, 16952, 20375, 20800, 20864, 21190, 26000, 26080, 32000, 32600, 33904, 40750, 41600, 41728, 42380, 52000, 52160, 52975, 65200, 67808, 81500, 83200, 84760, 104000, 104320, 105950, 130400, 135616, 163000, 169520, 208000, 208640, 211900, 260800, 264875, 271232, 326000, 339040, 416000, 423800, 521600, 529750, 542464, 652000, 678080, 847600, 1043200, 1059500, 1304000, 1356160, 1695200, 2119000, 2608000, 2712320, 3390400, 4238000, 5216000, 6780800, 8476000, 13561600, 16952000, 33904000, 67808000]

約数ペア:

[(1, 67808000), (2, 33904000), (4, 16952000), (5, 13561600), (8, 8476000), (10, 6780800), (13, 5216000), (16, 4238000), (20, 3390400), (25, 2712320), (26, 2608000), (32, 2119000), (40, 1695200), (50, 1356160), (52, 1304000), (64, 1059500), (65, 1043200), (80, 847600), (100, 678080), (104, 652000), (125, 542464), (128, 529750), (130, 521600), (160, 423800), (163, 416000), (200, 339040), (208, 326000), (250, 271232), (256, 264875), (260, 260800), (320, 211900), (325, 208640), (326, 208000), (400, 169520), (416, 163000), (500, 135616), (520, 130400), (640, 105950), (650, 104320), (652, 104000), (800, 84760), (815, 83200), (832, 81500), (1000, 67808), (1040, 65200), (1280, 52975), (1300, 52160), (1304, 52000), (1600, 42380), (1625, 41728), (1630, 41600), (1664, 40750), (2000, 33904), (2080, 32600), (2119, 32000), (2600, 26080), (2608, 26000), (3200, 21190), (3250, 20864), (3260, 20800), (3328, 20375), (4000, 16952), (4075, 16640), (4160, 16300), (4238, 16000), (5200, 13040), (5216, 13000), (6400, 10595), (6500, 10432), (6520, 10400), (8000, 8476), (8150, 8320)]