257624640

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{983}}^1$

素因数の和:1026

約数の個数: 336

約数和(自身を含む): 1091720448

約数和(自身を除く): 834095808

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 32, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 64, 65, 70, 72, 78, 80, 84, 90, 91, 96, 104, 105, 112, 117, 120, 126, 130, 140, 144, 156, 160, 168, 180, 182, 192, 195, 208, 210, 224, 234, 240, 252, 260, 273, 280, 288, 312, 315, 320, 336, 360, 364, 390, 416, 420, 448, 455, 468, 480, 504, 520, 546, 560, 576, 585, 624, 630, 672, 720, 728, 780, 819, 832, 840, 910, 936, 960, 983, 1008, 1040, 1092, 1120, 1170, 1248, 1260, 1344, 1365, 1440, 1456, 1560, 1638, 1680, 1820, 1872, 1966, 2016, 2080, 2184, 2240, 2340, 2496, 2520, 2730, 2880, 2912, 2949, 3120, 3276, 3360, 3640, 3744, 3932, 4032, 4095, 4160, 4368, 4680, 4915, 5040, 5460, 5824, 5898, 6240, 6552, 6720, 6881, 7280, 7488, 7864, 8190, 8736, 8847, 9360, 9830, 10080, 10920, 11796, 12480, 12779, 13104, 13762, 14560, 14745, 15728, 16380, 17472, 17694, 18720, 19660, 20160, 20643, 21840, 23592, 25558, 26208, 27524, 29120, 29490, 31456, 32760, 34405, 35388, 37440, 38337, 39320, 41286, 43680, 44235, 47184, 51116, 52416, 55048, 58980, 61929, 62912, 63895, 65520, 68810, 70776, 76674, 78640, 82572, 87360, 88470, 89453, 94368, 102232, 103215, 110096, 115011, 117960, 123858, 127790, 131040, 137620, 141552, 153348, 157280, 165144, 176940, 178906, 188736, 191685, 204464, 206430, 220192, 230022, 235920, 247716, 255580, 262080, 268359, 275240, 283104, 306696, 309645, 314560, 330288, 353880, 357812, 383370, 408928, 412860, 440384, 447265, 460044, 471840, 495432, 511160, 536718, 550480, 566208, 575055, 613392, 619290, 660576, 707760, 715624, 766740, 805077, 817856, 825720, 894530, 920088, 943680, 990864, 1022320, 1073436, 1100960, 1150110, 1226784, 1238580, 1321152, 1341795, 1415520, 1431248, 1533480, 1610154, 1651440, 1789060, 1840176, 1981728, 2044640, 2146872, 2201920, 2300220, 2453568, 2477160, 2683590, 2831040, 2862496, 3066960, 3220308, 3302880, 3578120, 3680352, 3963456, 4025385, 4089280, 4293744, 4600440, 4954320, 5367180, 5724992, 6133920, 6440616, 6605760, 7156240, 7360704, 8050770, 8587488, 9200880, 9908640, 10734360, 12267840, 12881232, 14312480, 16101540, 17174976, 18401760, 19817280, 21468720, 25762464, 28624960, 32203080, 36803520, 42937440, 51524928, 64406160, 85874880, 128812320, 257624640]

約数ペア:

[(1, 257624640), (2, 128812320), (3, 85874880), (4, 64406160), (5, 51524928), (6, 42937440), (7, 36803520), (8, 32203080), (9, 28624960), (10, 25762464), (12, 21468720), (13, 19817280), (14, 18401760), (15, 17174976), (16, 16101540), (18, 14312480), (20, 12881232), (21, 12267840), (24, 10734360), (26, 9908640), (28, 9200880), (30, 8587488), (32, 8050770), (35, 7360704), (36, 7156240), (39, 6605760), (40, 6440616), (42, 6133920), (45, 5724992), (48, 5367180), (52, 4954320), (56, 4600440), (60, 4293744), (63, 4089280), (64, 4025385), (65, 3963456), (70, 3680352), (72, 3578120), (78, 3302880), (80, 3220308), (84, 3066960), (90, 2862496), (91, 2831040), (96, 2683590), (104, 2477160), (105, 2453568), (112, 2300220), (117, 2201920), (120, 2146872), (126, 2044640), (130, 1981728), (140, 1840176), (144, 1789060), (156, 1651440), (160, 1610154), (168, 1533480), (180, 1431248), (182, 1415520), (192, 1341795), (195, 1321152), (208, 1238580), (210, 1226784), (224, 1150110), (234, 1100960), (240, 1073436), (252, 1022320), (260, 990864), (273, 943680), (280, 920088), (288, 894530), (312, 825720), (315, 817856), (320, 805077), (336, 766740), (360, 715624), (364, 707760), (390, 660576), (416, 619290), (420, 613392), (448, 575055), (455, 566208), (468, 550480), (480, 536718), (504, 511160), (520, 495432), (546, 471840), (560, 460044), (576, 447265), (585, 440384), (624, 412860), (630, 408928), (672, 383370), (720, 357812), (728, 353880), (780, 330288), (819, 314560), (832, 309645), (840, 306696), (910, 283104), (936, 275240), (960, 268359), (983, 262080), (1008, 255580), (1040, 247716), (1092, 235920), (1120, 230022), (1170, 220192), (1248, 206430), (1260, 204464), (1344, 191685), (1365, 188736), (1440, 178906), (1456, 176940), (1560, 165144), (1638, 157280), (1680, 153348), (1820, 141552), (1872, 137620), (1966, 131040), (2016, 127790), (2080, 123858), (2184, 117960), (2240, 115011), (2340, 110096), (2496, 103215), (2520, 102232), (2730, 94368), (2880, 89453), (2912, 88470), (2949, 87360), (3120, 82572), (3276, 78640), (3360, 76674), (3640, 70776), (3744, 68810), (3932, 65520), (4032, 63895), (4095, 62912), (4160, 61929), (4368, 58980), (4680, 55048), (4915, 52416), (5040, 51116), (5460, 47184), (5824, 44235), (5898, 43680), (6240, 41286), (6552, 39320), (6720, 38337), (6881, 37440), (7280, 35388), (7488, 34405), (7864, 32760), (8190, 31456), (8736, 29490), (8847, 29120), (9360, 27524), (9830, 26208), (10080, 25558), (10920, 23592), (11796, 21840), (12480, 20643), (12779, 20160), (13104, 19660), (13762, 18720), (14560, 17694), (14745, 17472), (15728, 16380)]