131524580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:210

約数の個数: 144

約数和(自身を含む): 337841280

約数和(自身を除く): 206316700

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 23, 34, 44, 46, 55, 68, 85, 92, 110, 115, 121, 139, 170, 187, 220, 230, 242, 253, 278, 340, 374, 391, 460, 484, 506, 556, 605, 695, 748, 782, 935, 1012, 1210, 1265, 1390, 1529, 1564, 1870, 1955, 2057, 2363, 2420, 2530, 2780, 2783, 3058, 3197, 3740, 3910, 4114, 4301, 4726, 5060, 5566, 6116, 6394, 7645, 7820, 8228, 8602, 9452, 10285, 11132, 11815, 12788, 13915, 15290, 15985, 16819, 17204, 20570, 21505, 23630, 25993, 27830, 30580, 31970, 33638, 35167, 41140, 43010, 47260, 47311, 51986, 54349, 55660, 63940, 67276, 70334, 84095, 86020, 94622, 103972, 108698, 129965, 140668, 168190, 175835, 189244, 217396, 236555, 259930, 271745, 285923, 336380, 351670, 386837, 473110, 519860, 543490, 571846, 597839, 703340, 773674, 946220, 1086980, 1143692, 1195678, 1429615, 1547348, 1934185, 2391356, 2859230, 2989195, 3868370, 5718460, 5978390, 6576229, 7736740, 11956780, 13152458, 26304916, 32881145, 65762290, 131524580]

約数ペア:

[(1, 131524580), (2, 65762290), (4, 32881145), (5, 26304916), (10, 13152458), (11, 11956780), (17, 7736740), (20, 6576229), (22, 5978390), (23, 5718460), (34, 3868370), (44, 2989195), (46, 2859230), (55, 2391356), (68, 1934185), (85, 1547348), (92, 1429615), (110, 1195678), (115, 1143692), (121, 1086980), (139, 946220), (170, 773674), (187, 703340), (220, 597839), (230, 571846), (242, 543490), (253, 519860), (278, 473110), (340, 386837), (374, 351670), (391, 336380), (460, 285923), (484, 271745), (506, 259930), (556, 236555), (605, 217396), (695, 189244), (748, 175835), (782, 168190), (935, 140668), (1012, 129965), (1210, 108698), (1265, 103972), (1390, 94622), (1529, 86020), (1564, 84095), (1870, 70334), (1955, 67276), (2057, 63940), (2363, 55660), (2420, 54349), (2530, 51986), (2780, 47311), (2783, 47260), (3058, 43010), (3197, 41140), (3740, 35167), (3910, 33638), (4114, 31970), (4301, 30580), (4726, 27830), (5060, 25993), (5566, 23630), (6116, 21505), (6394, 20570), (7645, 17204), (7820, 16819), (8228, 15985), (8602, 15290), (9452, 13915), (10285, 12788), (11132, 11815)]