261655488

素因数分解:

$2^6\times 3^3\times {\mathrm{53}}^1\times {\mathrm{2857}}^1$

素因数の和:2931

約数の個数: 112

約数和(自身を含む): 784006560

約数和(自身を除く): 522351072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 53, 54, 64, 72, 96, 106, 108, 144, 159, 192, 212, 216, 288, 318, 424, 432, 477, 576, 636, 848, 864, 954, 1272, 1431, 1696, 1728, 1908, 2544, 2857, 2862, 3392, 3816, 5088, 5714, 5724, 7632, 8571, 10176, 11428, 11448, 15264, 17142, 22856, 22896, 25713, 30528, 34284, 45712, 45792, 51426, 68568, 77139, 91424, 91584, 102852, 137136, 151421, 154278, 182848, 205704, 274272, 302842, 308556, 411408, 454263, 548544, 605684, 617112, 822816, 908526, 1211368, 1234224, 1362789, 1645632, 1817052, 2422736, 2468448, 2725578, 3634104, 4088367, 4845472, 4936896, 5451156, 7268208, 8176734, 9690944, 10902312, 14536416, 16353468, 21804624, 29072832, 32706936, 43609248, 65413872, 87218496, 130827744, 261655488]

約数ペア:

[(1, 261655488), (2, 130827744), (3, 87218496), (4, 65413872), (6, 43609248), (8, 32706936), (9, 29072832), (12, 21804624), (16, 16353468), (18, 14536416), (24, 10902312), (27, 9690944), (32, 8176734), (36, 7268208), (48, 5451156), (53, 4936896), (54, 4845472), (64, 4088367), (72, 3634104), (96, 2725578), (106, 2468448), (108, 2422736), (144, 1817052), (159, 1645632), (192, 1362789), (212, 1234224), (216, 1211368), (288, 908526), (318, 822816), (424, 617112), (432, 605684), (477, 548544), (576, 454263), (636, 411408), (848, 308556), (864, 302842), (954, 274272), (1272, 205704), (1431, 182848), (1696, 154278), (1728, 151421), (1908, 137136), (2544, 102852), (2857, 91584), (2862, 91424), (3392, 77139), (3816, 68568), (5088, 51426), (5714, 45792), (5724, 45712), (7632, 34284), (8571, 30528), (10176, 25713), (11428, 22896), (11448, 22856), (15264, 17142)]