256580784

素因数分解:

$2^4\times 3^5\times {\mathrm{65993}}^1$

素因数の和:66016

約数の個数: 60

約数和(自身を含む): 744676296

約数和(自身を除く): 488095512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 243, 324, 432, 486, 648, 972, 1296, 1944, 3888, 65993, 131986, 197979, 263972, 395958, 527944, 593937, 791916, 1055888, 1187874, 1583832, 1781811, 2375748, 3167664, 3563622, 4751496, 5345433, 7127244, 9502992, 10690866, 14254488, 16036299, 21381732, 28508976, 32072598, 42763464, 64145196, 85526928, 128290392, 256580784]

約数ペア:

[(1, 256580784), (2, 128290392), (3, 85526928), (4, 64145196), (6, 42763464), (8, 32072598), (9, 28508976), (12, 21381732), (16, 16036299), (18, 14254488), (24, 10690866), (27, 9502992), (36, 7127244), (48, 5345433), (54, 4751496), (72, 3563622), (81, 3167664), (108, 2375748), (144, 1781811), (162, 1583832), (216, 1187874), (243, 1055888), (324, 791916), (432, 593937), (486, 527944), (648, 395958), (972, 263972), (1296, 197979), (1944, 131986), (3888, 65993)]