13312672000

素因数分解:

$2^8\times 5^3\times {\mathrm{643}}^1\times {\mathrm{647}}^1$

素因数の和:1321

約数の個数: 144

約数和(自身を含む): 33266443392

約数和(自身を除く): 19953771392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 640, 643, 647, 800, 1000, 1280, 1286, 1294, 1600, 2000, 2572, 2588, 3200, 3215, 3235, 4000, 5144, 5176, 6400, 6430, 6470, 8000, 10288, 10352, 12860, 12940, 16000, 16075, 16175, 20576, 20704, 25720, 25880, 32000, 32150, 32350, 41152, 41408, 51440, 51760, 64300, 64700, 80375, 80875, 82304, 82816, 102880, 103520, 128600, 129400, 160750, 161750, 164608, 165632, 205760, 207040, 257200, 258800, 321500, 323500, 411520, 414080, 416021, 514400, 517600, 643000, 647000, 823040, 828160, 832042, 1028800, 1035200, 1286000, 1294000, 1664084, 2057600, 2070400, 2080105, 2572000, 2588000, 3328168, 4115200, 4140800, 4160210, 5144000, 5176000, 6656336, 8320420, 10288000, 10352000, 10400525, 13312672, 16640840, 20576000, 20704000, 20801050, 26625344, 33281680, 41602100, 52002625, 53250688, 66563360, 83204200, 104005250, 106501376, 133126720, 166408400, 208010500, 266253440, 332816800, 416021000, 532506880, 665633600, 832042000, 1331267200, 1664084000, 2662534400, 3328168000, 6656336000, 13312672000]

約数ペア:

[(1, 13312672000), (2, 6656336000), (4, 3328168000), (5, 2662534400), (8, 1664084000), (10, 1331267200), (16, 832042000), (20, 665633600), (25, 532506880), (32, 416021000), (40, 332816800), (50, 266253440), (64, 208010500), (80, 166408400), (100, 133126720), (125, 106501376), (128, 104005250), (160, 83204200), (200, 66563360), (250, 53250688), (256, 52002625), (320, 41602100), (400, 33281680), (500, 26625344), (640, 20801050), (643, 20704000), (647, 20576000), (800, 16640840), (1000, 13312672), (1280, 10400525), (1286, 10352000), (1294, 10288000), (1600, 8320420), (2000, 6656336), (2572, 5176000), (2588, 5144000), (3200, 4160210), (3215, 4140800), (3235, 4115200), (4000, 3328168), (5144, 2588000), (5176, 2572000), (6400, 2080105), (6430, 2070400), (6470, 2057600), (8000, 1664084), (10288, 1294000), (10352, 1286000), (12860, 1035200), (12940, 1028800), (16000, 832042), (16075, 828160), (16175, 823040), (20576, 647000), (20704, 643000), (25720, 517600), (25880, 514400), (32000, 416021), (32150, 414080), (32350, 411520), (41152, 323500), (41408, 321500), (51440, 258800), (51760, 257200), (64300, 207040), (64700, 205760), (80375, 165632), (80875, 164608), (82304, 161750), (82816, 160750), (102880, 129400), (103520, 128600)]