256720705488

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1\times {\mathrm{12263}}^1$

素因数の和:12554

約数の個数: 240

約数和(自身を含む): 792127050624

約数和(自身を除く): 535406345136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 53, 72, 78, 104, 106, 117, 144, 156, 159, 208, 211, 212, 234, 312, 318, 422, 424, 468, 477, 624, 633, 636, 689, 844, 848, 936, 954, 1266, 1272, 1378, 1688, 1872, 1899, 1908, 2067, 2532, 2544, 2743, 2756, 3376, 3798, 3816, 4134, 5064, 5486, 5512, 6201, 7596, 7632, 8229, 8268, 10128, 10972, 11024, 11183, 12263, 12402, 15192, 16458, 16536, 21944, 22366, 24526, 24687, 24804, 30384, 32916, 33072, 33549, 36789, 43888, 44732, 49052, 49374, 49608, 65832, 67098, 73578, 89464, 98104, 98748, 99216, 100647, 110367, 131664, 134196, 145379, 147156, 159419, 178928, 196208, 197496, 201294, 220734, 268392, 290758, 294312, 318838, 394992, 402588, 436137, 441468, 478257, 536784, 581516, 588624, 637676, 649939, 805176, 872274, 882936, 956514, 1163032, 1275352, 1299878, 1308411, 1434771, 1610352, 1744548, 1765872, 1913028, 1949817, 2326064, 2550704, 2587493, 2599756, 2616822, 2869542, 3489096, 3826056, 3899634, 5174986, 5199512, 5233644, 5739084, 5849451, 6978192, 7652112, 7762479, 7799268, 8449207, 10349972, 10399024, 10467288, 11478168, 11698902, 15524958, 15598536, 16898414, 20699944, 20934576, 22956336, 23287437, 23397804, 25347621, 31049916, 31197072, 33637409, 33796828, 41399888, 46574874, 46795608, 50695242, 62099832, 67274818, 67593656, 76042863, 93149748, 93591216, 100912227, 101390484, 124199664, 134549636, 135187312, 137137129, 152085726, 186299496, 201824454, 202780968, 269099272, 274274258, 302736681, 304171452, 372598992, 403648908, 405561936, 411411387, 538198544, 548548516, 605473362, 608342904, 807297816, 822822774, 1097097032, 1210946724, 1216685808, 1234234161, 1614595632, 1645645548, 1782782677, 2194194064, 2421893448, 2468468322, 3291291096, 3565565354, 4843786896, 4936936644, 5348348031, 6582582192, 7131130708, 9873873288, 10696696062, 14262261416, 16045044093, 19747746576, 21393392124, 28524522832, 32090088186, 42786784248, 64180176372, 85573568496, 128360352744, 256720705488]

約数ペア:

[(1, 256720705488), (2, 128360352744), (3, 85573568496), (4, 64180176372), (6, 42786784248), (8, 32090088186), (9, 28524522832), (12, 21393392124), (13, 19747746576), (16, 16045044093), (18, 14262261416), (24, 10696696062), (26, 9873873288), (36, 7131130708), (39, 6582582192), (48, 5348348031), (52, 4936936644), (53, 4843786896), (72, 3565565354), (78, 3291291096), (104, 2468468322), (106, 2421893448), (117, 2194194064), (144, 1782782677), (156, 1645645548), (159, 1614595632), (208, 1234234161), (211, 1216685808), (212, 1210946724), (234, 1097097032), (312, 822822774), (318, 807297816), (422, 608342904), (424, 605473362), (468, 548548516), (477, 538198544), (624, 411411387), (633, 405561936), (636, 403648908), (689, 372598992), (844, 304171452), (848, 302736681), (936, 274274258), (954, 269099272), (1266, 202780968), (1272, 201824454), (1378, 186299496), (1688, 152085726), (1872, 137137129), (1899, 135187312), (1908, 134549636), (2067, 124199664), (2532, 101390484), (2544, 100912227), (2743, 93591216), (2756, 93149748), (3376, 76042863), (3798, 67593656), (3816, 67274818), (4134, 62099832), (5064, 50695242), (5486, 46795608), (5512, 46574874), (6201, 41399888), (7596, 33796828), (7632, 33637409), (8229, 31197072), (8268, 31049916), (10128, 25347621), (10972, 23397804), (11024, 23287437), (11183, 22956336), (12263, 20934576), (12402, 20699944), (15192, 16898414), (16458, 15598536), (16536, 15524958), (21944, 11698902), (22366, 11478168), (24526, 10467288), (24687, 10399024), (24804, 10349972), (30384, 8449207), (32916, 7799268), (33072, 7762479), (33549, 7652112), (36789, 6978192), (43888, 5849451), (44732, 5739084), (49052, 5233644), (49374, 5199512), (49608, 5174986), (65832, 3899634), (67098, 3826056), (73578, 3489096), (89464, 2869542), (98104, 2616822), (98748, 2599756), (99216, 2587493), (100647, 2550704), (110367, 2326064), (131664, 1949817), (134196, 1913028), (145379, 1765872), (147156, 1744548), (159419, 1610352), (178928, 1434771), (196208, 1308411), (197496, 1299878), (201294, 1275352), (220734, 1163032), (268392, 956514), (290758, 882936), (294312, 872274), (318838, 805176), (394992, 649939), (402588, 637676), (436137, 588624), (441468, 581516), (478257, 536784)]