256394376

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1123}}^1$

素因数の和:1296

約数の個数: 128

約数和(自身を含む): 820070400

約数和(自身を除く): 563676024

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 151, 168, 189, 216, 252, 302, 378, 453, 504, 604, 756, 906, 1057, 1123, 1208, 1359, 1512, 1812, 2114, 2246, 2718, 3171, 3369, 3624, 4077, 4228, 4492, 5436, 6342, 6738, 7861, 8154, 8456, 8984, 9513, 10107, 10872, 12684, 13476, 15722, 16308, 19026, 20214, 23583, 25368, 26952, 28539, 30321, 31444, 32616, 38052, 40428, 47166, 57078, 60642, 62888, 70749, 76104, 80856, 94332, 114156, 121284, 141498, 169573, 188664, 212247, 228312, 242568, 282996, 339146, 424494, 508719, 565992, 678292, 848988, 1017438, 1187011, 1356584, 1526157, 1697976, 2034876, 2374022, 3052314, 3561033, 4069752, 4578471, 4748044, 6104628, 7122066, 9156942, 9496088, 10683099, 12209256, 14244132, 18313884, 21366198, 28488264, 32049297, 36627768, 42732396, 64098594, 85464792, 128197188, 256394376]

約数ペア:

[(1, 256394376), (2, 128197188), (3, 85464792), (4, 64098594), (6, 42732396), (7, 36627768), (8, 32049297), (9, 28488264), (12, 21366198), (14, 18313884), (18, 14244132), (21, 12209256), (24, 10683099), (27, 9496088), (28, 9156942), (36, 7122066), (42, 6104628), (54, 4748044), (56, 4578471), (63, 4069752), (72, 3561033), (84, 3052314), (108, 2374022), (126, 2034876), (151, 1697976), (168, 1526157), (189, 1356584), (216, 1187011), (252, 1017438), (302, 848988), (378, 678292), (453, 565992), (504, 508719), (604, 424494), (756, 339146), (906, 282996), (1057, 242568), (1123, 228312), (1208, 212247), (1359, 188664), (1512, 169573), (1812, 141498), (2114, 121284), (2246, 114156), (2718, 94332), (3171, 80856), (3369, 76104), (3624, 70749), (4077, 62888), (4228, 60642), (4492, 57078), (5436, 47166), (6342, 40428), (6738, 38052), (7861, 32616), (8154, 31444), (8456, 30321), (8984, 28539), (9513, 26952), (10107, 25368), (10872, 23583), (12684, 20214), (13476, 19026), (15722, 16308)]