256401792

素因数分解:

$2^7\times 3^2\times {\mathrm{23}}^1\times {\mathrm{9677}}^1$

素因数の和:9720

約数の個数: 96

約数和(自身を含む): 769981680

約数和(自身を除く): 513579888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 64, 69, 72, 92, 96, 128, 138, 144, 184, 192, 207, 276, 288, 368, 384, 414, 552, 576, 736, 828, 1104, 1152, 1472, 1656, 2208, 2944, 3312, 4416, 6624, 8832, 9677, 13248, 19354, 26496, 29031, 38708, 58062, 77416, 87093, 116124, 154832, 174186, 222571, 232248, 309664, 348372, 445142, 464496, 619328, 667713, 696744, 890284, 928992, 1238656, 1335426, 1393488, 1780568, 1857984, 2003139, 2670852, 2786976, 3561136, 3715968, 4006278, 5341704, 5573952, 7122272, 8012556, 10683408, 11147904, 14244544, 16025112, 21366816, 28489088, 32050224, 42733632, 64100448, 85467264, 128200896, 256401792]

約数ペア:

[(1, 256401792), (2, 128200896), (3, 85467264), (4, 64100448), (6, 42733632), (8, 32050224), (9, 28489088), (12, 21366816), (16, 16025112), (18, 14244544), (23, 11147904), (24, 10683408), (32, 8012556), (36, 7122272), (46, 5573952), (48, 5341704), (64, 4006278), (69, 3715968), (72, 3561136), (92, 2786976), (96, 2670852), (128, 2003139), (138, 1857984), (144, 1780568), (184, 1393488), (192, 1335426), (207, 1238656), (276, 928992), (288, 890284), (368, 696744), (384, 667713), (414, 619328), (552, 464496), (576, 445142), (736, 348372), (828, 309664), (1104, 232248), (1152, 222571), (1472, 174186), (1656, 154832), (2208, 116124), (2944, 87093), (3312, 77416), (4416, 58062), (6624, 38708), (8832, 29031), (9677, 26496), (13248, 19354)]