1681771520

素因数分解:

$2^{10}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2297}}^1$

素因数の和:2346

約数の個数: 176

約数和(自身を含む): 4741638048

約数和(自身を除く): 3059866528

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 128, 130, 143, 160, 176, 208, 220, 256, 260, 286, 320, 352, 416, 440, 512, 520, 572, 640, 704, 715, 832, 880, 1024, 1040, 1144, 1280, 1408, 1430, 1664, 1760, 2080, 2288, 2297, 2560, 2816, 2860, 3328, 3520, 4160, 4576, 4594, 5120, 5632, 5720, 6656, 7040, 8320, 9152, 9188, 11264, 11440, 11485, 13312, 14080, 16640, 18304, 18376, 22880, 22970, 25267, 28160, 29861, 33280, 36608, 36752, 45760, 45940, 50534, 56320, 59722, 66560, 73216, 73504, 91520, 91880, 101068, 119444, 126335, 146432, 147008, 149305, 183040, 183760, 202136, 238888, 252670, 294016, 298610, 328471, 366080, 367520, 404272, 477776, 505340, 588032, 597220, 656942, 732160, 735040, 808544, 955552, 1010680, 1176064, 1194440, 1313884, 1470080, 1617088, 1642355, 1911104, 2021360, 2352128, 2388880, 2627768, 2940160, 3234176, 3284710, 3822208, 4042720, 4777760, 5255536, 5880320, 6468352, 6569420, 7644416, 8085440, 9555520, 10511072, 11760640, 12936704, 13138840, 15288832, 16170880, 19111040, 21022144, 25873408, 26277680, 30577664, 32341760, 38222080, 42044288, 52555360, 64683520, 76444160, 84088576, 105110720, 129367040, 152888320, 168177152, 210221440, 336354304, 420442880, 840885760, 1681771520]

約数ペア:

[(1, 1681771520), (2, 840885760), (4, 420442880), (5, 336354304), (8, 210221440), (10, 168177152), (11, 152888320), (13, 129367040), (16, 105110720), (20, 84088576), (22, 76444160), (26, 64683520), (32, 52555360), (40, 42044288), (44, 38222080), (52, 32341760), (55, 30577664), (64, 26277680), (65, 25873408), (80, 21022144), (88, 19111040), (104, 16170880), (110, 15288832), (128, 13138840), (130, 12936704), (143, 11760640), (160, 10511072), (176, 9555520), (208, 8085440), (220, 7644416), (256, 6569420), (260, 6468352), (286, 5880320), (320, 5255536), (352, 4777760), (416, 4042720), (440, 3822208), (512, 3284710), (520, 3234176), (572, 2940160), (640, 2627768), (704, 2388880), (715, 2352128), (832, 2021360), (880, 1911104), (1024, 1642355), (1040, 1617088), (1144, 1470080), (1280, 1313884), (1408, 1194440), (1430, 1176064), (1664, 1010680), (1760, 955552), (2080, 808544), (2288, 735040), (2297, 732160), (2560, 656942), (2816, 597220), (2860, 588032), (3328, 505340), (3520, 477776), (4160, 404272), (4576, 367520), (4594, 366080), (5120, 328471), (5632, 298610), (5720, 294016), (6656, 252670), (7040, 238888), (8320, 202136), (9152, 183760), (9188, 183040), (11264, 149305), (11440, 147008), (11485, 146432), (13312, 126335), (14080, 119444), (16640, 101068), (18304, 91880), (18376, 91520), (22880, 73504), (22970, 73216), (25267, 66560), (28160, 59722), (29861, 56320), (33280, 50534), (36608, 45940), (36752, 45760)]