257512320

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:238

約数の個数: 384

約数和(自身を含む): 1013594400

約数和(自身を除く): 756082080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 30, 32, 36, 38, 39, 40, 45, 48, 52, 57, 60, 64, 65, 72, 76, 78, 80, 90, 95, 96, 104, 114, 117, 120, 128, 130, 144, 152, 156, 160, 171, 180, 181, 190, 192, 195, 208, 228, 234, 240, 247, 260, 285, 288, 304, 312, 320, 342, 360, 362, 380, 384, 390, 416, 456, 468, 480, 494, 520, 543, 570, 576, 585, 608, 624, 640, 684, 720, 724, 741, 760, 780, 832, 855, 905, 912, 936, 960, 988, 1040, 1086, 1140, 1152, 1170, 1216, 1235, 1248, 1368, 1440, 1448, 1482, 1520, 1560, 1629, 1664, 1710, 1810, 1824, 1872, 1920, 1976, 2080, 2172, 2223, 2280, 2340, 2353, 2432, 2470, 2496, 2715, 2736, 2880, 2896, 2964, 3040, 3120, 3258, 3420, 3439, 3620, 3648, 3705, 3744, 3952, 4160, 4344, 4446, 4560, 4680, 4706, 4940, 4992, 5430, 5472, 5760, 5792, 5928, 6080, 6240, 6516, 6840, 6878, 7059, 7240, 7296, 7410, 7488, 7904, 8145, 8320, 8688, 8892, 9120, 9360, 9412, 9880, 10317, 10860, 10944, 11115, 11584, 11765, 11856, 12160, 12480, 13032, 13680, 13756, 14118, 14480, 14820, 14976, 15808, 16290, 17195, 17376, 17784, 18240, 18720, 18824, 19760, 20634, 21177, 21720, 21888, 22230, 23168, 23530, 23712, 24960, 26064, 27360, 27512, 28236, 28960, 29640, 30951, 31616, 32580, 34390, 34752, 35295, 35568, 36480, 37440, 37648, 39520, 41268, 42354, 43440, 44460, 44707, 47060, 47424, 51585, 52128, 54720, 55024, 56472, 57920, 59280, 61902, 65160, 68780, 69504, 70590, 71136, 74880, 75296, 79040, 82536, 84708, 86880, 88920, 89414, 94120, 94848, 103170, 104256, 105885, 109440, 110048, 112944, 115840, 118560, 123804, 130320, 134121, 137560, 141180, 142272, 150592, 154755, 158080, 165072, 169416, 173760, 177840, 178828, 188240, 206340, 208512, 211770, 220096, 223535, 225888, 237120, 247608, 260640, 268242, 275120, 282360, 284544, 301184, 309510, 330144, 338832, 347520, 355680, 357656, 376480, 402363, 412680, 423540, 440192, 447070, 451776, 474240, 495216, 521280, 536484, 550240, 564720, 619020, 660288, 670605, 677664, 711360, 715312, 752960, 804726, 825360, 847080, 894140, 903552, 990432, 1042560, 1072968, 1100480, 1129440, 1238040, 1320576, 1341210, 1355328, 1422720, 1430624, 1505920, 1609452, 1650720, 1694160, 1788280, 1980864, 2011815, 2145936, 2200960, 2258880, 2476080, 2682420, 2710656, 2861248, 3218904, 3301440, 3388320, 3576560, 3961728, 4023630, 4291872, 4517760, 4952160, 5364840, 5722496, 6437808, 6602880, 6776640, 7153120, 8047260, 8583744, 9904320, 10729680, 12875616, 13553280, 14306240, 16094520, 17167488, 19808640, 21459360, 25751232, 28612480, 32189040, 42918720, 51502464, 64378080, 85837440, 128756160, 257512320]

約数ペア:

[(1, 257512320), (2, 128756160), (3, 85837440), (4, 64378080), (5, 51502464), (6, 42918720), (8, 32189040), (9, 28612480), (10, 25751232), (12, 21459360), (13, 19808640), (15, 17167488), (16, 16094520), (18, 14306240), (19, 13553280), (20, 12875616), (24, 10729680), (26, 9904320), (30, 8583744), (32, 8047260), (36, 7153120), (38, 6776640), (39, 6602880), (40, 6437808), (45, 5722496), (48, 5364840), (52, 4952160), (57, 4517760), (60, 4291872), (64, 4023630), (65, 3961728), (72, 3576560), (76, 3388320), (78, 3301440), (80, 3218904), (90, 2861248), (95, 2710656), (96, 2682420), (104, 2476080), (114, 2258880), (117, 2200960), (120, 2145936), (128, 2011815), (130, 1980864), (144, 1788280), (152, 1694160), (156, 1650720), (160, 1609452), (171, 1505920), (180, 1430624), (181, 1422720), (190, 1355328), (192, 1341210), (195, 1320576), (208, 1238040), (228, 1129440), (234, 1100480), (240, 1072968), (247, 1042560), (260, 990432), (285, 903552), (288, 894140), (304, 847080), (312, 825360), (320, 804726), (342, 752960), (360, 715312), (362, 711360), (380, 677664), (384, 670605), (390, 660288), (416, 619020), (456, 564720), (468, 550240), (480, 536484), (494, 521280), (520, 495216), (543, 474240), (570, 451776), (576, 447070), (585, 440192), (608, 423540), (624, 412680), (640, 402363), (684, 376480), (720, 357656), (724, 355680), (741, 347520), (760, 338832), (780, 330144), (832, 309510), (855, 301184), (905, 284544), (912, 282360), (936, 275120), (960, 268242), (988, 260640), (1040, 247608), (1086, 237120), (1140, 225888), (1152, 223535), (1170, 220096), (1216, 211770), (1235, 208512), (1248, 206340), (1368, 188240), (1440, 178828), (1448, 177840), (1482, 173760), (1520, 169416), (1560, 165072), (1629, 158080), (1664, 154755), (1710, 150592), (1810, 142272), (1824, 141180), (1872, 137560), (1920, 134121), (1976, 130320), (2080, 123804), (2172, 118560), (2223, 115840), (2280, 112944), (2340, 110048), (2353, 109440), (2432, 105885), (2470, 104256), (2496, 103170), (2715, 94848), (2736, 94120), (2880, 89414), (2896, 88920), (2964, 86880), (3040, 84708), (3120, 82536), (3258, 79040), (3420, 75296), (3439, 74880), (3620, 71136), (3648, 70590), (3705, 69504), (3744, 68780), (3952, 65160), (4160, 61902), (4344, 59280), (4446, 57920), (4560, 56472), (4680, 55024), (4706, 54720), (4940, 52128), (4992, 51585), (5430, 47424), (5472, 47060), (5760, 44707), (5792, 44460), (5928, 43440), (6080, 42354), (6240, 41268), (6516, 39520), (6840, 37648), (6878, 37440), (7059, 36480), (7240, 35568), (7296, 35295), (7410, 34752), (7488, 34390), (7904, 32580), (8145, 31616), (8320, 30951), (8688, 29640), (8892, 28960), (9120, 28236), (9360, 27512), (9412, 27360), (9880, 26064), (10317, 24960), (10860, 23712), (10944, 23530), (11115, 23168), (11584, 22230), (11765, 21888), (11856, 21720), (12160, 21177), (12480, 20634), (13032, 19760), (13680, 18824), (13756, 18720), (14118, 18240), (14480, 17784), (14820, 17376), (14976, 17195), (15808, 16290)]