256565232

素因数分解:

$2^4\times 3^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{857}}^1$

素因数の和:898

約数の個数: 240

約数和(自身を含む): 929440512

約数和(自身を除く): 672875280

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 27, 28, 33, 36, 42, 44, 48, 54, 56, 63, 66, 72, 77, 81, 84, 88, 99, 108, 112, 126, 132, 144, 154, 162, 168, 176, 189, 198, 216, 231, 243, 252, 264, 297, 308, 324, 336, 378, 396, 432, 462, 486, 504, 528, 567, 594, 616, 648, 693, 756, 792, 857, 891, 924, 972, 1008, 1134, 1188, 1232, 1296, 1386, 1512, 1584, 1701, 1714, 1782, 1848, 1944, 2079, 2268, 2376, 2571, 2673, 2772, 3024, 3402, 3428, 3564, 3696, 3888, 4158, 4536, 4752, 5142, 5346, 5544, 5999, 6237, 6804, 6856, 7128, 7713, 8316, 9072, 9427, 10284, 10692, 11088, 11998, 12474, 13608, 13712, 14256, 15426, 16632, 17997, 18711, 18854, 20568, 21384, 23139, 23996, 24948, 27216, 28281, 30852, 33264, 35994, 37422, 37708, 41136, 42768, 46278, 47992, 49896, 53991, 56562, 61704, 65989, 69417, 71988, 74844, 75416, 84843, 92556, 95984, 99792, 107982, 113124, 123408, 131978, 138834, 143976, 149688, 150832, 161973, 169686, 185112, 197967, 208251, 215964, 226248, 254529, 263956, 277668, 287952, 299376, 323946, 339372, 370224, 395934, 416502, 431928, 452496, 485919, 509058, 527912, 555336, 593901, 647892, 678744, 763587, 791868, 833004, 863856, 971838, 1018116, 1055824, 1110672, 1187802, 1295784, 1357488, 1457757, 1527174, 1583736, 1666008, 1781703, 1943676, 2036232, 2290761, 2375604, 2591568, 2915514, 3054348, 3167472, 3332016, 3563406, 3887352, 4072464, 4581522, 4751208, 5345109, 5831028, 6108696, 7126812, 7774704, 9163044, 9502416, 10690218, 11662056, 12217392, 14253624, 16035327, 18326088, 21380436, 23324112, 28507248, 32070654, 36652176, 42760872, 64141308, 85521744, 128282616, 256565232]

約数ペア:

[(1, 256565232), (2, 128282616), (3, 85521744), (4, 64141308), (6, 42760872), (7, 36652176), (8, 32070654), (9, 28507248), (11, 23324112), (12, 21380436), (14, 18326088), (16, 16035327), (18, 14253624), (21, 12217392), (22, 11662056), (24, 10690218), (27, 9502416), (28, 9163044), (33, 7774704), (36, 7126812), (42, 6108696), (44, 5831028), (48, 5345109), (54, 4751208), (56, 4581522), (63, 4072464), (66, 3887352), (72, 3563406), (77, 3332016), (81, 3167472), (84, 3054348), (88, 2915514), (99, 2591568), (108, 2375604), (112, 2290761), (126, 2036232), (132, 1943676), (144, 1781703), (154, 1666008), (162, 1583736), (168, 1527174), (176, 1457757), (189, 1357488), (198, 1295784), (216, 1187802), (231, 1110672), (243, 1055824), (252, 1018116), (264, 971838), (297, 863856), (308, 833004), (324, 791868), (336, 763587), (378, 678744), (396, 647892), (432, 593901), (462, 555336), (486, 527912), (504, 509058), (528, 485919), (567, 452496), (594, 431928), (616, 416502), (648, 395934), (693, 370224), (756, 339372), (792, 323946), (857, 299376), (891, 287952), (924, 277668), (972, 263956), (1008, 254529), (1134, 226248), (1188, 215964), (1232, 208251), (1296, 197967), (1386, 185112), (1512, 169686), (1584, 161973), (1701, 150832), (1714, 149688), (1782, 143976), (1848, 138834), (1944, 131978), (2079, 123408), (2268, 113124), (2376, 107982), (2571, 99792), (2673, 95984), (2772, 92556), (3024, 84843), (3402, 75416), (3428, 74844), (3564, 71988), (3696, 69417), (3888, 65989), (4158, 61704), (4536, 56562), (4752, 53991), (5142, 49896), (5346, 47992), (5544, 46278), (5999, 42768), (6237, 41136), (6804, 37708), (6856, 37422), (7128, 35994), (7713, 33264), (8316, 30852), (9072, 28281), (9427, 27216), (10284, 24948), (10692, 23996), (11088, 23139), (11998, 21384), (12474, 20568), (13608, 18854), (13712, 18711), (14256, 17997), (15426, 16632)]