261153672

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^2\times {\mathrm{67}}^1$

素因数の和:164

約数の個数: 144

約数和(自身を含む): 741413520

約数和(自身を除く): 480259848

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 67, 78, 93, 104, 124, 134, 156, 169, 186, 201, 248, 268, 312, 338, 372, 402, 403, 507, 536, 676, 744, 804, 806, 871, 961, 1014, 1209, 1352, 1608, 1612, 1742, 1922, 2028, 2077, 2418, 2613, 2883, 3224, 3484, 3844, 4056, 4154, 4836, 5226, 5239, 5766, 6231, 6968, 7688, 8308, 9672, 10452, 10478, 11323, 11532, 12462, 12493, 15717, 16616, 20904, 20956, 22646, 23064, 24924, 24986, 27001, 31434, 33969, 37479, 41912, 45292, 49848, 49972, 54002, 62868, 64387, 67938, 74958, 81003, 90584, 99944, 108004, 125736, 128774, 135876, 149916, 162006, 162409, 193161, 216008, 257548, 271752, 299832, 324012, 324818, 351013, 386322, 487227, 515096, 648024, 649636, 702026, 772644, 837031, 974454, 1053039, 1299272, 1404052, 1545288, 1674062, 1948908, 2106078, 2511093, 2808104, 3348124, 3897816, 4212156, 5022186, 6696248, 8424312, 10044372, 10881403, 20088744, 21762806, 32644209, 43525612, 65288418, 87051224, 130576836, 261153672]

約数ペア:

[(1, 261153672), (2, 130576836), (3, 87051224), (4, 65288418), (6, 43525612), (8, 32644209), (12, 21762806), (13, 20088744), (24, 10881403), (26, 10044372), (31, 8424312), (39, 6696248), (52, 5022186), (62, 4212156), (67, 3897816), (78, 3348124), (93, 2808104), (104, 2511093), (124, 2106078), (134, 1948908), (156, 1674062), (169, 1545288), (186, 1404052), (201, 1299272), (248, 1053039), (268, 974454), (312, 837031), (338, 772644), (372, 702026), (402, 649636), (403, 648024), (507, 515096), (536, 487227), (676, 386322), (744, 351013), (804, 324818), (806, 324012), (871, 299832), (961, 271752), (1014, 257548), (1209, 216008), (1352, 193161), (1608, 162409), (1612, 162006), (1742, 149916), (1922, 135876), (2028, 128774), (2077, 125736), (2418, 108004), (2613, 99944), (2883, 90584), (3224, 81003), (3484, 74958), (3844, 67938), (4056, 64387), (4154, 62868), (4836, 54002), (5226, 49972), (5239, 49848), (5766, 45292), (6231, 41912), (6968, 37479), (7688, 33969), (8308, 31434), (9672, 27001), (10452, 24986), (10478, 24924), (11323, 23064), (11532, 22646), (12462, 20956), (12493, 20904), (15717, 16616)]