20647243440

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{8363}}^1$

素因数の和:8518

約数の個数: 240

約数和(自身を含む): 72483360768

約数和(自身を除く): 51836117328

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 127, 135, 144, 162, 180, 216, 240, 243, 254, 270, 324, 360, 381, 405, 432, 486, 508, 540, 635, 648, 720, 762, 810, 972, 1016, 1080, 1143, 1215, 1270, 1296, 1524, 1620, 1905, 1944, 2032, 2160, 2286, 2430, 2540, 3048, 3240, 3429, 3810, 3888, 4572, 4860, 5080, 5715, 6096, 6480, 6858, 7620, 8363, 9144, 9720, 10160, 10287, 11430, 13716, 15240, 16726, 17145, 18288, 19440, 20574, 22860, 25089, 27432, 30480, 30861, 33452, 34290, 41148, 41815, 45720, 50178, 51435, 54864, 61722, 66904, 68580, 75267, 82296, 83630, 91440, 100356, 102870, 123444, 125445, 133808, 137160, 150534, 154305, 164592, 167260, 200712, 205740, 225801, 246888, 250890, 274320, 301068, 308610, 334520, 376335, 401424, 411480, 451602, 493776, 501780, 602136, 617220, 669040, 677403, 752670, 822960, 903204, 1003560, 1062101, 1129005, 1204272, 1234440, 1354806, 1505340, 1806408, 2007120, 2032209, 2124202, 2258010, 2468880, 2709612, 3010680, 3186303, 3387015, 3612816, 4064418, 4248404, 4516020, 5310505, 5419224, 6021360, 6372606, 6774030, 8128836, 8496808, 9032040, 9558909, 10161045, 10621010, 10838448, 12745212, 13548060, 15931515, 16257672, 16993616, 18064080, 19117818, 20322090, 21242020, 25490424, 27096120, 28676727, 31863030, 32515344, 38235636, 40644180, 42484040, 47794545, 50980848, 54192240, 57353454, 63726060, 76471272, 81288360, 84968080, 86030181, 95589090, 114706908, 127452120, 143383635, 152942544, 162576720, 172060362, 191178180, 229413816, 254904240, 258090543, 286767270, 344120724, 382356360, 430150905, 458827632, 516181086, 573534540, 688241448, 764712720, 860301810, 1032362172, 1147069080, 1290452715, 1376482896, 1720603620, 2064724344, 2294138160, 2580905430, 3441207240, 4129448688, 5161810860, 6882414480, 10323621720, 20647243440]

約数ペア:

[(1, 20647243440), (2, 10323621720), (3, 6882414480), (4, 5161810860), (5, 4129448688), (6, 3441207240), (8, 2580905430), (9, 2294138160), (10, 2064724344), (12, 1720603620), (15, 1376482896), (16, 1290452715), (18, 1147069080), (20, 1032362172), (24, 860301810), (27, 764712720), (30, 688241448), (36, 573534540), (40, 516181086), (45, 458827632), (48, 430150905), (54, 382356360), (60, 344120724), (72, 286767270), (80, 258090543), (81, 254904240), (90, 229413816), (108, 191178180), (120, 172060362), (127, 162576720), (135, 152942544), (144, 143383635), (162, 127452120), (180, 114706908), (216, 95589090), (240, 86030181), (243, 84968080), (254, 81288360), (270, 76471272), (324, 63726060), (360, 57353454), (381, 54192240), (405, 50980848), (432, 47794545), (486, 42484040), (508, 40644180), (540, 38235636), (635, 32515344), (648, 31863030), (720, 28676727), (762, 27096120), (810, 25490424), (972, 21242020), (1016, 20322090), (1080, 19117818), (1143, 18064080), (1215, 16993616), (1270, 16257672), (1296, 15931515), (1524, 13548060), (1620, 12745212), (1905, 10838448), (1944, 10621010), (2032, 10161045), (2160, 9558909), (2286, 9032040), (2430, 8496808), (2540, 8128836), (3048, 6774030), (3240, 6372606), (3429, 6021360), (3810, 5419224), (3888, 5310505), (4572, 4516020), (4860, 4248404), (5080, 4064418), (5715, 3612816), (6096, 3387015), (6480, 3186303), (6858, 3010680), (7620, 2709612), (8363, 2468880), (9144, 2258010), (9720, 2124202), (10160, 2032209), (10287, 2007120), (11430, 1806408), (13716, 1505340), (15240, 1354806), (16726, 1234440), (17145, 1204272), (18288, 1129005), (19440, 1062101), (20574, 1003560), (22860, 903204), (25089, 822960), (27432, 752670), (30480, 677403), (30861, 669040), (33452, 617220), (34290, 602136), (41148, 501780), (41815, 493776), (45720, 451602), (50178, 411480), (51435, 401424), (54864, 376335), (61722, 334520), (66904, 308610), (68580, 301068), (75267, 274320), (82296, 250890), (83630, 246888), (91440, 225801), (100356, 205740), (102870, 200712), (123444, 167260), (125445, 164592), (133808, 154305), (137160, 150534)]