123581376

素因数分解:

$2^6\times 3^4\times {\mathrm{31}}^1\times {\mathrm{769}}^1$

素因数の和:824

約数の個数: 140

約数和(自身を含む): 378642880

約数和(自身を除く): 255061504

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 64, 72, 81, 93, 96, 108, 124, 144, 162, 186, 192, 216, 248, 279, 288, 324, 372, 432, 496, 558, 576, 648, 744, 769, 837, 864, 992, 1116, 1296, 1488, 1538, 1674, 1728, 1984, 2232, 2307, 2511, 2592, 2976, 3076, 3348, 4464, 4614, 5022, 5184, 5952, 6152, 6696, 6921, 8928, 9228, 10044, 12304, 13392, 13842, 17856, 18456, 20088, 20763, 23839, 24608, 26784, 27684, 36912, 40176, 41526, 47678, 49216, 53568, 55368, 62289, 71517, 73824, 80352, 83052, 95356, 110736, 124578, 143034, 147648, 160704, 166104, 190712, 214551, 221472, 249156, 286068, 332208, 381424, 429102, 442944, 498312, 572136, 643653, 664416, 762848, 858204, 996624, 1144272, 1287306, 1328832, 1525696, 1716408, 1930959, 1993248, 2288544, 2574612, 3432816, 3861918, 3986496, 4577088, 5149224, 6865632, 7723836, 10298448, 13731264, 15447672, 20596896, 30895344, 41193792, 61790688, 123581376]

約数ペア:

[(1, 123581376), (2, 61790688), (3, 41193792), (4, 30895344), (6, 20596896), (8, 15447672), (9, 13731264), (12, 10298448), (16, 7723836), (18, 6865632), (24, 5149224), (27, 4577088), (31, 3986496), (32, 3861918), (36, 3432816), (48, 2574612), (54, 2288544), (62, 1993248), (64, 1930959), (72, 1716408), (81, 1525696), (93, 1328832), (96, 1287306), (108, 1144272), (124, 996624), (144, 858204), (162, 762848), (186, 664416), (192, 643653), (216, 572136), (248, 498312), (279, 442944), (288, 429102), (324, 381424), (372, 332208), (432, 286068), (496, 249156), (558, 221472), (576, 214551), (648, 190712), (744, 166104), (769, 160704), (837, 147648), (864, 143034), (992, 124578), (1116, 110736), (1296, 95356), (1488, 83052), (1538, 80352), (1674, 73824), (1728, 71517), (1984, 62289), (2232, 55368), (2307, 53568), (2511, 49216), (2592, 47678), (2976, 41526), (3076, 40176), (3348, 36912), (4464, 27684), (4614, 26784), (5022, 24608), (5184, 23839), (5952, 20763), (6152, 20088), (6696, 18456), (6921, 17856), (8928, 13842), (9228, 13392), (10044, 12304)]