2157805440

素因数分解:

$2^7\times 3^3\times 5^1\times 7^1\times {\mathrm{17839}}^1$

素因数の和:17874

約数の個数: 256

約数和(自身を含む): 8734464000

約数和(自身を除く): 6576658560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 540, 560, 576, 630, 640, 672, 720, 756, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 1920, 2016, 2160, 2240, 2520, 2688, 2880, 3024, 3360, 3456, 3780, 4032, 4320, 4480, 5040, 5760, 6048, 6720, 7560, 8064, 8640, 10080, 12096, 13440, 15120, 17280, 17839, 20160, 24192, 30240, 35678, 40320, 53517, 60480, 71356, 89195, 107034, 120960, 124873, 142712, 160551, 178390, 214068, 249746, 267585, 285424, 321102, 356780, 374619, 428136, 481653, 499492, 535170, 570848, 624365, 642204, 713560, 749238, 802755, 856272, 963306, 998984, 1070340, 1123857, 1141696, 1248730, 1284408, 1427120, 1498476, 1605510, 1712544, 1873095, 1926612, 1997968, 2140680, 2247714, 2283392, 2408265, 2497460, 2568816, 2854240, 2996952, 3211020, 3371571, 3425088, 3746190, 3853224, 3995936, 4281360, 4495428, 4816530, 4994920, 5137632, 5619285, 5708480, 5993904, 6422040, 6743142, 6850176, 7492380, 7706448, 7991872, 8562720, 8990856, 9633060, 9989840, 10275264, 11238570, 11416960, 11987808, 12844080, 13486284, 14984760, 15412896, 15983744, 16857855, 17125440, 17981712, 19266120, 19979680, 20550528, 22477140, 23975616, 25688160, 26972568, 29969520, 30825792, 33715710, 34250880, 35963424, 38532240, 39959360, 44954280, 47951232, 51376320, 53945136, 59939040, 61651584, 67431420, 71926848, 77064480, 79918720, 89908560, 102752640, 107890272, 119878080, 134862840, 143853696, 154128960, 179817120, 215780544, 239756160, 269725680, 308257920, 359634240, 431561088, 539451360, 719268480, 1078902720, 2157805440]

約数ペア:

[(1, 2157805440), (2, 1078902720), (3, 719268480), (4, 539451360), (5, 431561088), (6, 359634240), (7, 308257920), (8, 269725680), (9, 239756160), (10, 215780544), (12, 179817120), (14, 154128960), (15, 143853696), (16, 134862840), (18, 119878080), (20, 107890272), (21, 102752640), (24, 89908560), (27, 79918720), (28, 77064480), (30, 71926848), (32, 67431420), (35, 61651584), (36, 59939040), (40, 53945136), (42, 51376320), (45, 47951232), (48, 44954280), (54, 39959360), (56, 38532240), (60, 35963424), (63, 34250880), (64, 33715710), (70, 30825792), (72, 29969520), (80, 26972568), (84, 25688160), (90, 23975616), (96, 22477140), (105, 20550528), (108, 19979680), (112, 19266120), (120, 17981712), (126, 17125440), (128, 16857855), (135, 15983744), (140, 15412896), (144, 14984760), (160, 13486284), (168, 12844080), (180, 11987808), (189, 11416960), (192, 11238570), (210, 10275264), (216, 9989840), (224, 9633060), (240, 8990856), (252, 8562720), (270, 7991872), (280, 7706448), (288, 7492380), (315, 6850176), (320, 6743142), (336, 6422040), (360, 5993904), (378, 5708480), (384, 5619285), (420, 5137632), (432, 4994920), (448, 4816530), (480, 4495428), (504, 4281360), (540, 3995936), (560, 3853224), (576, 3746190), (630, 3425088), (640, 3371571), (672, 3211020), (720, 2996952), (756, 2854240), (840, 2568816), (864, 2497460), (896, 2408265), (945, 2283392), (960, 2247714), (1008, 2140680), (1080, 1997968), (1120, 1926612), (1152, 1873095), (1260, 1712544), (1344, 1605510), (1440, 1498476), (1512, 1427120), (1680, 1284408), (1728, 1248730), (1890, 1141696), (1920, 1123857), (2016, 1070340), (2160, 998984), (2240, 963306), (2520, 856272), (2688, 802755), (2880, 749238), (3024, 713560), (3360, 642204), (3456, 624365), (3780, 570848), (4032, 535170), (4320, 499492), (4480, 481653), (5040, 428136), (5760, 374619), (6048, 356780), (6720, 321102), (7560, 285424), (8064, 267585), (8640, 249746), (10080, 214068), (12096, 178390), (13440, 160551), (15120, 142712), (17280, 124873), (17839, 120960), (20160, 107034), (24192, 89195), (30240, 71356), (35678, 60480), (40320, 53517)]