256063968

素因数分解:

$2^5\times 3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:142

約数の個数: 288

約数和(自身を含む): 830269440

約数和(自身を除く): 574205472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 29, 31, 32, 36, 43, 46, 48, 58, 62, 69, 72, 86, 87, 92, 93, 96, 116, 124, 129, 138, 144, 172, 174, 184, 186, 207, 232, 248, 258, 261, 276, 279, 288, 344, 348, 368, 372, 387, 414, 464, 496, 516, 522, 552, 558, 667, 688, 696, 713, 736, 744, 774, 828, 899, 928, 989, 992, 1032, 1044, 1104, 1116, 1247, 1333, 1334, 1376, 1392, 1426, 1488, 1548, 1656, 1798, 1978, 2001, 2064, 2088, 2139, 2208, 2232, 2494, 2666, 2668, 2697, 2784, 2852, 2967, 2976, 3096, 3312, 3596, 3741, 3956, 3999, 4002, 4128, 4176, 4278, 4464, 4988, 5332, 5336, 5394, 5704, 5934, 6003, 6192, 6417, 6624, 7192, 7482, 7912, 7998, 8004, 8091, 8352, 8556, 8901, 8928, 9976, 10664, 10672, 10788, 11223, 11408, 11868, 11997, 12006, 12384, 12834, 14384, 14964, 15824, 15996, 16008, 16182, 17112, 17802, 19952, 20677, 21328, 21344, 21576, 22446, 22816, 23736, 23994, 24012, 25668, 28681, 28768, 29928, 30659, 31648, 31992, 32016, 32364, 34224, 35604, 38657, 39904, 41354, 42656, 43152, 44892, 47472, 47988, 48024, 51336, 57362, 59856, 61318, 62031, 63984, 64032, 64728, 68448, 71208, 77314, 82708, 86043, 86304, 89784, 91977, 94944, 95976, 96048, 102672, 114724, 115971, 119712, 122636, 124062, 127968, 129456, 142416, 154628, 165416, 172086, 179568, 183954, 186093, 191952, 192096, 205344, 229448, 231942, 245272, 248124, 258129, 258912, 275931, 284832, 309256, 330832, 344172, 347913, 359136, 367908, 372186, 383904, 458896, 463884, 490544, 496248, 516258, 551862, 618512, 661664, 688344, 695826, 735816, 744372, 889111, 917792, 927768, 981088, 992496, 1032516, 1103724, 1237024, 1376688, 1391652, 1471632, 1488744, 1778222, 1855536, 1984992, 2065032, 2207448, 2667333, 2753376, 2783304, 2943264, 2977488, 3556444, 3711072, 4130064, 4414896, 5334666, 5566608, 5954976, 7112888, 8001999, 8260128, 8829792, 10669332, 11133216, 14225776, 16003998, 21338664, 28451552, 32007996, 42677328, 64015992, 85354656, 128031984, 256063968]

約数ペア:

[(1, 256063968), (2, 128031984), (3, 85354656), (4, 64015992), (6, 42677328), (8, 32007996), (9, 28451552), (12, 21338664), (16, 16003998), (18, 14225776), (23, 11133216), (24, 10669332), (29, 8829792), (31, 8260128), (32, 8001999), (36, 7112888), (43, 5954976), (46, 5566608), (48, 5334666), (58, 4414896), (62, 4130064), (69, 3711072), (72, 3556444), (86, 2977488), (87, 2943264), (92, 2783304), (93, 2753376), (96, 2667333), (116, 2207448), (124, 2065032), (129, 1984992), (138, 1855536), (144, 1778222), (172, 1488744), (174, 1471632), (184, 1391652), (186, 1376688), (207, 1237024), (232, 1103724), (248, 1032516), (258, 992496), (261, 981088), (276, 927768), (279, 917792), (288, 889111), (344, 744372), (348, 735816), (368, 695826), (372, 688344), (387, 661664), (414, 618512), (464, 551862), (496, 516258), (516, 496248), (522, 490544), (552, 463884), (558, 458896), (667, 383904), (688, 372186), (696, 367908), (713, 359136), (736, 347913), (744, 344172), (774, 330832), (828, 309256), (899, 284832), (928, 275931), (989, 258912), (992, 258129), (1032, 248124), (1044, 245272), (1104, 231942), (1116, 229448), (1247, 205344), (1333, 192096), (1334, 191952), (1376, 186093), (1392, 183954), (1426, 179568), (1488, 172086), (1548, 165416), (1656, 154628), (1798, 142416), (1978, 129456), (2001, 127968), (2064, 124062), (2088, 122636), (2139, 119712), (2208, 115971), (2232, 114724), (2494, 102672), (2666, 96048), (2668, 95976), (2697, 94944), (2784, 91977), (2852, 89784), (2967, 86304), (2976, 86043), (3096, 82708), (3312, 77314), (3596, 71208), (3741, 68448), (3956, 64728), (3999, 64032), (4002, 63984), (4128, 62031), (4176, 61318), (4278, 59856), (4464, 57362), (4988, 51336), (5332, 48024), (5336, 47988), (5394, 47472), (5704, 44892), (5934, 43152), (6003, 42656), (6192, 41354), (6417, 39904), (6624, 38657), (7192, 35604), (7482, 34224), (7912, 32364), (7998, 32016), (8004, 31992), (8091, 31648), (8352, 30659), (8556, 29928), (8901, 28768), (8928, 28681), (9976, 25668), (10664, 24012), (10672, 23994), (10788, 23736), (11223, 22816), (11408, 22446), (11868, 21576), (11997, 21344), (12006, 21328), (12384, 20677), (12834, 19952), (14384, 17802), (14964, 17112), (15824, 16182), (15996, 16008)]