256697280

素因数分解:

$2^6\times 3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:161

約数の個数: 504

約数和(自身を含む): 1097664048

約数和(自身を除く): 840966768

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 28, 30, 32, 34, 35, 36, 40, 42, 45, 48, 49, 51, 56, 60, 63, 64, 68, 70, 72, 80, 84, 85, 90, 96, 98, 102, 105, 107, 112, 119, 120, 126, 136, 140, 144, 147, 153, 160, 168, 170, 180, 192, 196, 204, 210, 214, 224, 238, 240, 245, 252, 255, 272, 280, 288, 294, 306, 315, 320, 321, 336, 340, 357, 360, 392, 408, 420, 428, 441, 448, 476, 480, 490, 504, 510, 535, 544, 560, 576, 588, 595, 612, 630, 642, 672, 680, 714, 720, 735, 749, 765, 784, 816, 833, 840, 856, 882, 952, 960, 963, 980, 1008, 1020, 1070, 1071, 1088, 1120, 1176, 1190, 1224, 1260, 1284, 1344, 1360, 1428, 1440, 1470, 1498, 1530, 1568, 1605, 1632, 1666, 1680, 1712, 1764, 1785, 1819, 1904, 1926, 1960, 2016, 2040, 2140, 2142, 2205, 2240, 2247, 2352, 2380, 2448, 2499, 2520, 2568, 2720, 2856, 2880, 2940, 2996, 3060, 3136, 3210, 3264, 3332, 3360, 3424, 3528, 3570, 3638, 3745, 3808, 3852, 3920, 4032, 4080, 4165, 4280, 4284, 4410, 4494, 4704, 4760, 4815, 4896, 4998, 5040, 5136, 5243, 5355, 5440, 5457, 5712, 5880, 5992, 6120, 6420, 6664, 6720, 6741, 6848, 7056, 7140, 7276, 7490, 7497, 7616, 7704, 7840, 8160, 8330, 8560, 8568, 8820, 8988, 9095, 9408, 9520, 9630, 9792, 9996, 10080, 10272, 10486, 10710, 10914, 11235, 11424, 11760, 11984, 12240, 12495, 12733, 12840, 13328, 13482, 14112, 14280, 14552, 14980, 14994, 15408, 15680, 15729, 16320, 16371, 16660, 17120, 17136, 17640, 17976, 18190, 19040, 19260, 19992, 20160, 20544, 20972, 21420, 21828, 22470, 22848, 23520, 23968, 24480, 24990, 25466, 25680, 26215, 26656, 26964, 27285, 28224, 28560, 29104, 29960, 29988, 30816, 31458, 32742, 33320, 33705, 34240, 34272, 35280, 35952, 36380, 37485, 38080, 38199, 38520, 39984, 41944, 42840, 43656, 44940, 47040, 47187, 47936, 48960, 49980, 50932, 51360, 52430, 53312, 53928, 54570, 57120, 58208, 59920, 59976, 61632, 62916, 63665, 65484, 66640, 67410, 68544, 70560, 71904, 72760, 74970, 76398, 77040, 78645, 79968, 81855, 83888, 85680, 87312, 89131, 89880, 94374, 99960, 101864, 102720, 104860, 107856, 109140, 114240, 114597, 116416, 119840, 119952, 125832, 127330, 130968, 133280, 134820, 141120, 143808, 145520, 149940, 152796, 154080, 157290, 159936, 163710, 167776, 171360, 174624, 178262, 179760, 188748, 190995, 199920, 203728, 209720, 215712, 218280, 229194, 235935, 239680, 239904, 251664, 254660, 261936, 266560, 267393, 269640, 291040, 299880, 305592, 308160, 314580, 327420, 335552, 342720, 349248, 356524, 359520, 377496, 381990, 399840, 407456, 419440, 431424, 436560, 445655, 458388, 471870, 479808, 503328, 509320, 523872, 534786, 539280, 572985, 582080, 599760, 611184, 629160, 654840, 713048, 719040, 754992, 763980, 799680, 802179, 814912, 838880, 873120, 891310, 916776, 943740, 1006656, 1018640, 1047744, 1069572, 1078560, 1145970, 1199520, 1222368, 1258320, 1309680, 1336965, 1426096, 1509984, 1527960, 1604358, 1677760, 1746240, 1782620, 1833552, 1887480, 2037280, 2139144, 2157120, 2291940, 2399040, 2444736, 2516640, 2619360, 2673930, 2852192, 3019968, 3055920, 3208716, 3565240, 3667104, 3774960, 4010895, 4074560, 4278288, 4583880, 5033280, 5238720, 5347860, 5704384, 6111840, 6417432, 7130480, 7334208, 7549920, 8021790, 8556576, 9167760, 10695720, 12223680, 12834864, 14260960, 15099840, 16043580, 17113152, 18335520, 21391440, 25669728, 28521920, 32087160, 36671040, 42782880, 51339456, 64174320, 85565760, 128348640, 256697280]

約数ペア:

[(1, 256697280), (2, 128348640), (3, 85565760), (4, 64174320), (5, 51339456), (6, 42782880), (7, 36671040), (8, 32087160), (9, 28521920), (10, 25669728), (12, 21391440), (14, 18335520), (15, 17113152), (16, 16043580), (17, 15099840), (18, 14260960), (20, 12834864), (21, 12223680), (24, 10695720), (28, 9167760), (30, 8556576), (32, 8021790), (34, 7549920), (35, 7334208), (36, 7130480), (40, 6417432), (42, 6111840), (45, 5704384), (48, 5347860), (49, 5238720), (51, 5033280), (56, 4583880), (60, 4278288), (63, 4074560), (64, 4010895), (68, 3774960), (70, 3667104), (72, 3565240), (80, 3208716), (84, 3055920), (85, 3019968), (90, 2852192), (96, 2673930), (98, 2619360), (102, 2516640), (105, 2444736), (107, 2399040), (112, 2291940), (119, 2157120), (120, 2139144), (126, 2037280), (136, 1887480), (140, 1833552), (144, 1782620), (147, 1746240), (153, 1677760), (160, 1604358), (168, 1527960), (170, 1509984), (180, 1426096), (192, 1336965), (196, 1309680), (204, 1258320), (210, 1222368), (214, 1199520), (224, 1145970), (238, 1078560), (240, 1069572), (245, 1047744), (252, 1018640), (255, 1006656), (272, 943740), (280, 916776), (288, 891310), (294, 873120), (306, 838880), (315, 814912), (320, 802179), (321, 799680), (336, 763980), (340, 754992), (357, 719040), (360, 713048), (392, 654840), (408, 629160), (420, 611184), (428, 599760), (441, 582080), (448, 572985), (476, 539280), (480, 534786), (490, 523872), (504, 509320), (510, 503328), (535, 479808), (544, 471870), (560, 458388), (576, 445655), (588, 436560), (595, 431424), (612, 419440), (630, 407456), (642, 399840), (672, 381990), (680, 377496), (714, 359520), (720, 356524), (735, 349248), (749, 342720), (765, 335552), (784, 327420), (816, 314580), (833, 308160), (840, 305592), (856, 299880), (882, 291040), (952, 269640), (960, 267393), (963, 266560), (980, 261936), (1008, 254660), (1020, 251664), (1070, 239904), (1071, 239680), (1088, 235935), (1120, 229194), (1176, 218280), (1190, 215712), (1224, 209720), (1260, 203728), (1284, 199920), (1344, 190995), (1360, 188748), (1428, 179760), (1440, 178262), (1470, 174624), (1498, 171360), (1530, 167776), (1568, 163710), (1605, 159936), (1632, 157290), (1666, 154080), (1680, 152796), (1712, 149940), (1764, 145520), (1785, 143808), (1819, 141120), (1904, 134820), (1926, 133280), (1960, 130968), (2016, 127330), (2040, 125832), (2140, 119952), (2142, 119840), (2205, 116416), (2240, 114597), (2247, 114240), (2352, 109140), (2380, 107856), (2448, 104860), (2499, 102720), (2520, 101864), (2568, 99960), (2720, 94374), (2856, 89880), (2880, 89131), (2940, 87312), (2996, 85680), (3060, 83888), (3136, 81855), (3210, 79968), (3264, 78645), (3332, 77040), (3360, 76398), (3424, 74970), (3528, 72760), (3570, 71904), (3638, 70560), (3745, 68544), (3808, 67410), (3852, 66640), (3920, 65484), (4032, 63665), (4080, 62916), (4165, 61632), (4280, 59976), (4284, 59920), (4410, 58208), (4494, 57120), (4704, 54570), (4760, 53928), (4815, 53312), (4896, 52430), (4998, 51360), (5040, 50932), (5136, 49980), (5243, 48960), (5355, 47936), (5440, 47187), (5457, 47040), (5712, 44940), (5880, 43656), (5992, 42840), (6120, 41944), (6420, 39984), (6664, 38520), (6720, 38199), (6741, 38080), (6848, 37485), (7056, 36380), (7140, 35952), (7276, 35280), (7490, 34272), (7497, 34240), (7616, 33705), (7704, 33320), (7840, 32742), (8160, 31458), (8330, 30816), (8560, 29988), (8568, 29960), (8820, 29104), (8988, 28560), (9095, 28224), (9408, 27285), (9520, 26964), (9630, 26656), (9792, 26215), (9996, 25680), (10080, 25466), (10272, 24990), (10486, 24480), (10710, 23968), (10914, 23520), (11235, 22848), (11424, 22470), (11760, 21828), (11984, 21420), (12240, 20972), (12495, 20544), (12733, 20160), (12840, 19992), (13328, 19260), (13482, 19040), (14112, 18190), (14280, 17976), (14552, 17640), (14980, 17136), (14994, 17120), (15408, 16660), (15680, 16371), (15729, 16320)]