321307560

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:518

約数の個数: 320

約数和(自身を含む): 1276830720

約数和(自身を除く): 955523160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 31, 35, 36, 40, 42, 45, 54, 56, 60, 62, 63, 70, 72, 81, 84, 90, 93, 105, 108, 120, 124, 126, 135, 140, 155, 162, 168, 180, 186, 189, 210, 216, 217, 248, 252, 270, 279, 280, 310, 315, 324, 360, 372, 378, 405, 420, 434, 457, 465, 504, 540, 558, 567, 620, 630, 648, 651, 744, 756, 810, 837, 840, 868, 914, 930, 945, 1080, 1085, 1116, 1134, 1240, 1260, 1302, 1371, 1395, 1512, 1620, 1674, 1736, 1828, 1860, 1890, 1953, 2170, 2232, 2268, 2285, 2511, 2520, 2604, 2742, 2790, 2835, 3199, 3240, 3255, 3348, 3656, 3720, 3780, 3906, 4113, 4185, 4340, 4536, 4570, 5022, 5208, 5484, 5580, 5670, 5859, 6398, 6510, 6696, 6855, 7560, 7812, 8226, 8370, 8680, 9140, 9597, 9765, 10044, 10968, 11160, 11340, 11718, 12339, 12555, 12796, 13020, 13710, 14167, 15624, 15995, 16452, 16740, 17577, 18280, 19194, 19530, 20088, 20565, 22680, 23436, 24678, 25110, 25592, 26040, 27420, 28334, 28791, 29295, 31990, 32904, 33480, 35154, 37017, 38388, 39060, 41130, 42501, 46872, 47985, 49356, 50220, 54840, 56668, 57582, 58590, 61695, 63980, 70308, 70835, 74034, 76776, 78120, 82260, 85002, 86373, 87885, 95970, 98712, 99169, 100440, 113336, 115164, 117180, 123390, 127503, 127960, 140616, 141670, 143955, 148068, 164520, 170004, 172746, 175770, 185085, 191940, 198338, 212505, 230328, 234360, 246780, 255006, 259119, 283340, 287910, 296136, 297507, 340008, 345492, 351540, 370170, 382509, 383880, 396676, 425010, 431865, 493560, 495845, 510012, 518238, 566680, 575820, 595014, 637515, 690984, 703080, 740340, 765018, 793352, 850020, 863730, 892521, 991690, 1020024, 1036476, 1147527, 1151640, 1190028, 1275030, 1295595, 1480680, 1487535, 1530036, 1700040, 1727460, 1785042, 1912545, 1983380, 2072952, 2295054, 2380056, 2550060, 2591190, 2677563, 2975070, 3060072, 3454920, 3570084, 3825090, 3966760, 4462605, 4590108, 5100120, 5182380, 5355126, 5737635, 5950140, 7140168, 7650180, 8032689, 8925210, 9180216, 10364760, 10710252, 11475270, 11900280, 13387815, 15300360, 16065378, 17850420, 21420504, 22950540, 26775630, 32130756, 35700840, 40163445, 45901080, 53551260, 64261512, 80326890, 107102520, 160653780, 321307560]

約数ペア:

[(1, 321307560), (2, 160653780), (3, 107102520), (4, 80326890), (5, 64261512), (6, 53551260), (7, 45901080), (8, 40163445), (9, 35700840), (10, 32130756), (12, 26775630), (14, 22950540), (15, 21420504), (18, 17850420), (20, 16065378), (21, 15300360), (24, 13387815), (27, 11900280), (28, 11475270), (30, 10710252), (31, 10364760), (35, 9180216), (36, 8925210), (40, 8032689), (42, 7650180), (45, 7140168), (54, 5950140), (56, 5737635), (60, 5355126), (62, 5182380), (63, 5100120), (70, 4590108), (72, 4462605), (81, 3966760), (84, 3825090), (90, 3570084), (93, 3454920), (105, 3060072), (108, 2975070), (120, 2677563), (124, 2591190), (126, 2550060), (135, 2380056), (140, 2295054), (155, 2072952), (162, 1983380), (168, 1912545), (180, 1785042), (186, 1727460), (189, 1700040), (210, 1530036), (216, 1487535), (217, 1480680), (248, 1295595), (252, 1275030), (270, 1190028), (279, 1151640), (280, 1147527), (310, 1036476), (315, 1020024), (324, 991690), (360, 892521), (372, 863730), (378, 850020), (405, 793352), (420, 765018), (434, 740340), (457, 703080), (465, 690984), (504, 637515), (540, 595014), (558, 575820), (567, 566680), (620, 518238), (630, 510012), (648, 495845), (651, 493560), (744, 431865), (756, 425010), (810, 396676), (837, 383880), (840, 382509), (868, 370170), (914, 351540), (930, 345492), (945, 340008), (1080, 297507), (1085, 296136), (1116, 287910), (1134, 283340), (1240, 259119), (1260, 255006), (1302, 246780), (1371, 234360), (1395, 230328), (1512, 212505), (1620, 198338), (1674, 191940), (1736, 185085), (1828, 175770), (1860, 172746), (1890, 170004), (1953, 164520), (2170, 148068), (2232, 143955), (2268, 141670), (2285, 140616), (2511, 127960), (2520, 127503), (2604, 123390), (2742, 117180), (2790, 115164), (2835, 113336), (3199, 100440), (3240, 99169), (3255, 98712), (3348, 95970), (3656, 87885), (3720, 86373), (3780, 85002), (3906, 82260), (4113, 78120), (4185, 76776), (4340, 74034), (4536, 70835), (4570, 70308), (5022, 63980), (5208, 61695), (5484, 58590), (5580, 57582), (5670, 56668), (5859, 54840), (6398, 50220), (6510, 49356), (6696, 47985), (6855, 46872), (7560, 42501), (7812, 41130), (8226, 39060), (8370, 38388), (8680, 37017), (9140, 35154), (9597, 33480), (9765, 32904), (10044, 31990), (10968, 29295), (11160, 28791), (11340, 28334), (11718, 27420), (12339, 26040), (12555, 25592), (12796, 25110), (13020, 24678), (13710, 23436), (14167, 22680), (15624, 20565), (15995, 20088), (16452, 19530), (16740, 19194), (17577, 18280)]