16921815040

素因数分解:

$2^{11}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{401}}^1$

素因数の和:758

約数の個数: 192

約数和(自身を含む): 43973027280

約数和(自身を除く): 27051212240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 317, 320, 401, 416, 512, 520, 634, 640, 802, 832, 1024, 1040, 1268, 1280, 1585, 1604, 1664, 2005, 2048, 2080, 2536, 2560, 3170, 3208, 3328, 4010, 4121, 4160, 5072, 5120, 5213, 6340, 6416, 6656, 8020, 8242, 8320, 10144, 10240, 10426, 12680, 12832, 13312, 16040, 16484, 16640, 20288, 20605, 20852, 25360, 25664, 26065, 26624, 32080, 32968, 33280, 40576, 41210, 41704, 50720, 51328, 52130, 64160, 65936, 66560, 81152, 82420, 83408, 101440, 102656, 104260, 127117, 128320, 131872, 133120, 162304, 164840, 166816, 202880, 205312, 208520, 254234, 256640, 263744, 324608, 329680, 333632, 405760, 410624, 417040, 508468, 513280, 527488, 635585, 649216, 659360, 667264, 811520, 821248, 834080, 1016936, 1026560, 1054976, 1271170, 1318720, 1334528, 1623040, 1652521, 1668160, 2033872, 2053120, 2109952, 2542340, 2637440, 2669056, 3246080, 3305042, 3336320, 4067744, 4106240, 4219904, 5084680, 5274880, 5338112, 6610084, 6672640, 8135488, 8262605, 8439808, 10169360, 10549760, 10676224, 13220168, 13345280, 16270976, 16525210, 20338720, 21099520, 26440336, 26690560, 32541952, 33050420, 40677440, 42199040, 52880672, 53381120, 65083904, 66100840, 81354880, 105761344, 130167808, 132201680, 162709760, 211522688, 260335616, 264403360, 325419520, 423045376, 528806720, 650839040, 846090752, 1057613440, 1301678080, 1692181504, 2115226880, 3384363008, 4230453760, 8460907520, 16921815040]

約数ペア:

[(1, 16921815040), (2, 8460907520), (4, 4230453760), (5, 3384363008), (8, 2115226880), (10, 1692181504), (13, 1301678080), (16, 1057613440), (20, 846090752), (26, 650839040), (32, 528806720), (40, 423045376), (52, 325419520), (64, 264403360), (65, 260335616), (80, 211522688), (104, 162709760), (128, 132201680), (130, 130167808), (160, 105761344), (208, 81354880), (256, 66100840), (260, 65083904), (317, 53381120), (320, 52880672), (401, 42199040), (416, 40677440), (512, 33050420), (520, 32541952), (634, 26690560), (640, 26440336), (802, 21099520), (832, 20338720), (1024, 16525210), (1040, 16270976), (1268, 13345280), (1280, 13220168), (1585, 10676224), (1604, 10549760), (1664, 10169360), (2005, 8439808), (2048, 8262605), (2080, 8135488), (2536, 6672640), (2560, 6610084), (3170, 5338112), (3208, 5274880), (3328, 5084680), (4010, 4219904), (4121, 4106240), (4160, 4067744), (5072, 3336320), (5120, 3305042), (5213, 3246080), (6340, 2669056), (6416, 2637440), (6656, 2542340), (8020, 2109952), (8242, 2053120), (8320, 2033872), (10144, 1668160), (10240, 1652521), (10426, 1623040), (12680, 1334528), (12832, 1318720), (13312, 1271170), (16040, 1054976), (16484, 1026560), (16640, 1016936), (20288, 834080), (20605, 821248), (20852, 811520), (25360, 667264), (25664, 659360), (26065, 649216), (26624, 635585), (32080, 527488), (32968, 513280), (33280, 508468), (40576, 417040), (41210, 410624), (41704, 405760), (50720, 333632), (51328, 329680), (52130, 324608), (64160, 263744), (65936, 256640), (66560, 254234), (81152, 208520), (82420, 205312), (83408, 202880), (101440, 166816), (102656, 164840), (104260, 162304), (127117, 133120), (128320, 131872)]