256697424

素因数分解:

$2^4\times 3^5\times {\mathrm{103}}^1\times {\mathrm{641}}^1$

素因数の和:767

約数の個数: 120

約数和(自身を含む): 753410112

約数和(自身を除く): 496712688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 103, 108, 144, 162, 206, 216, 243, 309, 324, 412, 432, 486, 618, 641, 648, 824, 927, 972, 1236, 1282, 1296, 1648, 1854, 1923, 1944, 2472, 2564, 2781, 3708, 3846, 3888, 4944, 5128, 5562, 5769, 7416, 7692, 8343, 10256, 11124, 11538, 14832, 15384, 16686, 17307, 22248, 23076, 25029, 30768, 33372, 34614, 44496, 46152, 50058, 51921, 66023, 66744, 69228, 92304, 100116, 103842, 132046, 133488, 138456, 155763, 198069, 200232, 207684, 264092, 276912, 311526, 396138, 400464, 415368, 528184, 594207, 623052, 792276, 830736, 1056368, 1188414, 1246104, 1584552, 1782621, 2376828, 2492208, 3169104, 3565242, 4753656, 5347863, 7130484, 9507312, 10695726, 14260968, 16043589, 21391452, 28521936, 32087178, 42782904, 64174356, 85565808, 128348712, 256697424]

約数ペア:

[(1, 256697424), (2, 128348712), (3, 85565808), (4, 64174356), (6, 42782904), (8, 32087178), (9, 28521936), (12, 21391452), (16, 16043589), (18, 14260968), (24, 10695726), (27, 9507312), (36, 7130484), (48, 5347863), (54, 4753656), (72, 3565242), (81, 3169104), (103, 2492208), (108, 2376828), (144, 1782621), (162, 1584552), (206, 1246104), (216, 1188414), (243, 1056368), (309, 830736), (324, 792276), (412, 623052), (432, 594207), (486, 528184), (618, 415368), (641, 400464), (648, 396138), (824, 311526), (927, 276912), (972, 264092), (1236, 207684), (1282, 200232), (1296, 198069), (1648, 155763), (1854, 138456), (1923, 133488), (1944, 132046), (2472, 103842), (2564, 100116), (2781, 92304), (3708, 69228), (3846, 66744), (3888, 66023), (4944, 51921), (5128, 50058), (5562, 46152), (5769, 44496), (7416, 34614), (7692, 33372), (8343, 30768), (10256, 25029), (11124, 23076), (11538, 22248), (14832, 17307), (15384, 16686)]