256565088

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:214

約数の個数: 288

約数和(自身を含む): 866829600

約数和(自身を除く): 610264512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 29, 32, 34, 36, 39, 48, 51, 52, 58, 68, 72, 78, 87, 96, 102, 104, 116, 117, 136, 139, 144, 153, 156, 174, 204, 208, 221, 232, 234, 261, 272, 278, 288, 306, 312, 348, 377, 408, 416, 417, 442, 464, 468, 493, 522, 544, 556, 612, 624, 663, 696, 754, 816, 834, 884, 928, 936, 986, 1044, 1112, 1131, 1224, 1248, 1251, 1326, 1392, 1479, 1508, 1632, 1668, 1768, 1807, 1872, 1972, 1989, 2088, 2224, 2262, 2363, 2448, 2502, 2652, 2784, 2958, 3016, 3336, 3393, 3536, 3614, 3744, 3944, 3978, 4031, 4176, 4437, 4448, 4524, 4726, 4896, 5004, 5304, 5421, 5916, 6032, 6409, 6672, 6786, 7072, 7089, 7228, 7888, 7956, 8062, 8352, 8874, 9048, 9452, 10008, 10608, 10842, 11832, 12064, 12093, 12818, 13344, 13572, 14178, 14456, 15776, 15912, 16124, 16263, 17748, 18096, 18904, 19227, 20016, 21216, 21267, 21684, 23664, 24186, 25636, 27144, 28356, 28912, 30719, 31824, 32248, 32526, 35496, 36192, 36279, 37808, 38454, 40032, 42534, 43368, 47328, 48372, 51272, 52403, 54288, 56712, 57681, 57824, 61438, 63648, 64496, 65052, 68527, 70992, 72558, 75616, 76908, 85068, 86736, 92157, 96744, 102544, 104806, 108576, 113424, 115362, 122876, 128992, 130104, 137054, 141984, 145116, 153816, 157209, 170136, 173472, 184314, 193488, 205088, 205581, 209612, 226848, 230724, 245752, 260208, 274108, 276471, 290232, 307632, 314418, 340272, 368628, 386976, 411162, 419224, 461448, 471627, 491504, 520416, 548216, 552942, 580464, 615264, 616743, 628836, 680544, 737256, 822324, 838448, 890851, 922896, 943254, 983008, 1096432, 1105884, 1160928, 1233486, 1257672, 1474512, 1644648, 1676896, 1781702, 1845792, 1886508, 2192864, 2211768, 2466972, 2515344, 2672553, 2949024, 3289296, 3563404, 3773016, 4423536, 4933944, 5030688, 5345106, 6578592, 7126808, 7546032, 8017659, 8847072, 9867888, 10690212, 14253616, 15092064, 16035318, 19735776, 21380424, 28507232, 32070636, 42760848, 64141272, 85521696, 128282544, 256565088]

約数ペア:

[(1, 256565088), (2, 128282544), (3, 85521696), (4, 64141272), (6, 42760848), (8, 32070636), (9, 28507232), (12, 21380424), (13, 19735776), (16, 16035318), (17, 15092064), (18, 14253616), (24, 10690212), (26, 9867888), (29, 8847072), (32, 8017659), (34, 7546032), (36, 7126808), (39, 6578592), (48, 5345106), (51, 5030688), (52, 4933944), (58, 4423536), (68, 3773016), (72, 3563404), (78, 3289296), (87, 2949024), (96, 2672553), (102, 2515344), (104, 2466972), (116, 2211768), (117, 2192864), (136, 1886508), (139, 1845792), (144, 1781702), (153, 1676896), (156, 1644648), (174, 1474512), (204, 1257672), (208, 1233486), (221, 1160928), (232, 1105884), (234, 1096432), (261, 983008), (272, 943254), (278, 922896), (288, 890851), (306, 838448), (312, 822324), (348, 737256), (377, 680544), (408, 628836), (416, 616743), (417, 615264), (442, 580464), (464, 552942), (468, 548216), (493, 520416), (522, 491504), (544, 471627), (556, 461448), (612, 419224), (624, 411162), (663, 386976), (696, 368628), (754, 340272), (816, 314418), (834, 307632), (884, 290232), (928, 276471), (936, 274108), (986, 260208), (1044, 245752), (1112, 230724), (1131, 226848), (1224, 209612), (1248, 205581), (1251, 205088), (1326, 193488), (1392, 184314), (1479, 173472), (1508, 170136), (1632, 157209), (1668, 153816), (1768, 145116), (1807, 141984), (1872, 137054), (1972, 130104), (1989, 128992), (2088, 122876), (2224, 115362), (2262, 113424), (2363, 108576), (2448, 104806), (2502, 102544), (2652, 96744), (2784, 92157), (2958, 86736), (3016, 85068), (3336, 76908), (3393, 75616), (3536, 72558), (3614, 70992), (3744, 68527), (3944, 65052), (3978, 64496), (4031, 63648), (4176, 61438), (4437, 57824), (4448, 57681), (4524, 56712), (4726, 54288), (4896, 52403), (5004, 51272), (5304, 48372), (5421, 47328), (5916, 43368), (6032, 42534), (6409, 40032), (6672, 38454), (6786, 37808), (7072, 36279), (7089, 36192), (7228, 35496), (7888, 32526), (7956, 32248), (8062, 31824), (8352, 30719), (8874, 28912), (9048, 28356), (9452, 27144), (10008, 25636), (10608, 24186), (10842, 23664), (11832, 21684), (12064, 21267), (12093, 21216), (12818, 20016), (13344, 19227), (13572, 18904), (14178, 18096), (14456, 17748), (15776, 16263), (15912, 16124)]