261453504

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{109}}^1$

素因数の和:199

約数の個数: 168

約数和(自身を含む): 776843760

約数和(自身を除く): 515390256

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 64, 78, 93, 96, 104, 109, 124, 156, 186, 192, 208, 218, 248, 312, 327, 372, 403, 416, 436, 496, 624, 654, 744, 806, 832, 872, 961, 992, 1209, 1248, 1308, 1417, 1488, 1612, 1744, 1922, 1984, 2418, 2496, 2616, 2834, 2883, 2976, 3224, 3379, 3488, 3844, 4251, 4836, 5232, 5668, 5766, 5952, 6448, 6758, 6976, 7688, 8502, 9672, 10137, 10464, 11336, 11532, 12493, 12896, 13516, 15376, 17004, 19344, 20274, 20928, 22672, 23064, 24986, 25792, 27032, 30752, 34008, 37479, 38688, 40548, 43927, 45344, 46128, 49972, 54064, 61504, 68016, 74958, 77376, 81096, 87854, 90688, 92256, 99944, 104749, 108128, 131781, 136032, 149916, 162192, 175708, 184512, 199888, 209498, 216256, 263562, 272064, 299832, 314247, 324384, 351416, 399776, 418996, 527124, 599664, 628494, 648768, 702832, 799552, 837992, 1054248, 1199328, 1256988, 1361737, 1405664, 1675984, 2108496, 2398656, 2513976, 2723474, 2811328, 3351968, 4085211, 4216992, 5027952, 5446948, 6703936, 8170422, 8433984, 10055904, 10893896, 16340844, 20111808, 21787792, 32681688, 43575584, 65363376, 87151168, 130726752, 261453504]

約数ペア:

[(1, 261453504), (2, 130726752), (3, 87151168), (4, 65363376), (6, 43575584), (8, 32681688), (12, 21787792), (13, 20111808), (16, 16340844), (24, 10893896), (26, 10055904), (31, 8433984), (32, 8170422), (39, 6703936), (48, 5446948), (52, 5027952), (62, 4216992), (64, 4085211), (78, 3351968), (93, 2811328), (96, 2723474), (104, 2513976), (109, 2398656), (124, 2108496), (156, 1675984), (186, 1405664), (192, 1361737), (208, 1256988), (218, 1199328), (248, 1054248), (312, 837992), (327, 799552), (372, 702832), (403, 648768), (416, 628494), (436, 599664), (496, 527124), (624, 418996), (654, 399776), (744, 351416), (806, 324384), (832, 314247), (872, 299832), (961, 272064), (992, 263562), (1209, 216256), (1248, 209498), (1308, 199888), (1417, 184512), (1488, 175708), (1612, 162192), (1744, 149916), (1922, 136032), (1984, 131781), (2418, 108128), (2496, 104749), (2616, 99944), (2834, 92256), (2883, 90688), (2976, 87854), (3224, 81096), (3379, 77376), (3488, 74958), (3844, 68016), (4251, 61504), (4836, 54064), (5232, 49972), (5668, 46128), (5766, 45344), (5952, 43927), (6448, 40548), (6758, 38688), (6976, 37479), (7688, 34008), (8502, 30752), (9672, 27032), (10137, 25792), (10464, 24986), (11336, 23064), (11532, 22672), (12493, 20928), (12896, 20274), (13516, 19344), (15376, 17004)]