802880000

素因数分解:

$2^9\times 5^4\times {\mathrm{13}}^1\times {\mathrm{193}}^1$

素因数の和:244

約数の個数: 200

約数和(自身を含む): 2169983508

約数和(自身を除く): 1367103508

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, 193, 200, 208, 250, 256, 260, 320, 325, 386, 400, 416, 500, 512, 520, 625, 640, 650, 772, 800, 832, 965, 1000, 1040, 1250, 1280, 1300, 1544, 1600, 1625, 1664, 1930, 2000, 2080, 2500, 2509, 2560, 2600, 3088, 3200, 3250, 3328, 3860, 4000, 4160, 4825, 5000, 5018, 5200, 6176, 6400, 6500, 6656, 7720, 8000, 8125, 8320, 9650, 10000, 10036, 10400, 12352, 12545, 12800, 13000, 15440, 16000, 16250, 16640, 19300, 20000, 20072, 20800, 24125, 24704, 25090, 26000, 30880, 32000, 32500, 33280, 38600, 40000, 40144, 41600, 48250, 49408, 50180, 52000, 61760, 62725, 64000, 65000, 77200, 80000, 80288, 83200, 96500, 98816, 100360, 104000, 120625, 123520, 125450, 130000, 154400, 160000, 160576, 166400, 193000, 200720, 208000, 241250, 247040, 250900, 260000, 308800, 313625, 320000, 321152, 386000, 401440, 416000, 482500, 494080, 501800, 520000, 617600, 627250, 642304, 772000, 802880, 832000, 965000, 1003600, 1040000, 1235200, 1254500, 1284608, 1544000, 1568125, 1605760, 1930000, 2007200, 2080000, 2470400, 2509000, 3088000, 3136250, 3211520, 3860000, 4014400, 4160000, 5018000, 6176000, 6272500, 6423040, 7720000, 8028800, 10036000, 12352000, 12545000, 15440000, 16057600, 20072000, 25090000, 30880000, 32115200, 40144000, 50180000, 61760000, 80288000, 100360000, 160576000, 200720000, 401440000, 802880000]

約数ペア:

[(1, 802880000), (2, 401440000), (4, 200720000), (5, 160576000), (8, 100360000), (10, 80288000), (13, 61760000), (16, 50180000), (20, 40144000), (25, 32115200), (26, 30880000), (32, 25090000), (40, 20072000), (50, 16057600), (52, 15440000), (64, 12545000), (65, 12352000), (80, 10036000), (100, 8028800), (104, 7720000), (125, 6423040), (128, 6272500), (130, 6176000), (160, 5018000), (193, 4160000), (200, 4014400), (208, 3860000), (250, 3211520), (256, 3136250), (260, 3088000), (320, 2509000), (325, 2470400), (386, 2080000), (400, 2007200), (416, 1930000), (500, 1605760), (512, 1568125), (520, 1544000), (625, 1284608), (640, 1254500), (650, 1235200), (772, 1040000), (800, 1003600), (832, 965000), (965, 832000), (1000, 802880), (1040, 772000), (1250, 642304), (1280, 627250), (1300, 617600), (1544, 520000), (1600, 501800), (1625, 494080), (1664, 482500), (1930, 416000), (2000, 401440), (2080, 386000), (2500, 321152), (2509, 320000), (2560, 313625), (2600, 308800), (3088, 260000), (3200, 250900), (3250, 247040), (3328, 241250), (3860, 208000), (4000, 200720), (4160, 193000), (4825, 166400), (5000, 160576), (5018, 160000), (5200, 154400), (6176, 130000), (6400, 125450), (6500, 123520), (6656, 120625), (7720, 104000), (8000, 100360), (8125, 98816), (8320, 96500), (9650, 83200), (10000, 80288), (10036, 80000), (10400, 77200), (12352, 65000), (12545, 64000), (12800, 62725), (13000, 61760), (15440, 52000), (16000, 50180), (16250, 49408), (16640, 48250), (19300, 41600), (20000, 40144), (20072, 40000), (20800, 38600), (24125, 33280), (24704, 32500), (25090, 32000), (26000, 30880)]