312318720

素因数分解:

$2^8\times 3^3\times 5^1\times 7^1\times {\mathrm{1291}}^1$

素因数の和:1328

約数の個数: 288

約数和(自身を含む): 1267607040

約数和(自身を除く): 955288320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 256, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 540, 560, 576, 630, 640, 672, 720, 756, 768, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1260, 1280, 1291, 1344, 1440, 1512, 1680, 1728, 1792, 1890, 1920, 2016, 2160, 2240, 2304, 2520, 2582, 2688, 2880, 3024, 3360, 3456, 3780, 3840, 3873, 4032, 4320, 4480, 5040, 5164, 5376, 5760, 6048, 6455, 6720, 6912, 7560, 7746, 8064, 8640, 8960, 9037, 10080, 10328, 11520, 11619, 12096, 12910, 13440, 15120, 15492, 16128, 17280, 18074, 19365, 20160, 20656, 23238, 24192, 25820, 26880, 27111, 30240, 30984, 34560, 34857, 36148, 38730, 40320, 41312, 45185, 46476, 48384, 51640, 54222, 58095, 60480, 61968, 69714, 72296, 77460, 80640, 81333, 82624, 90370, 92952, 103280, 108444, 116190, 120960, 123936, 135555, 139428, 144592, 154920, 162666, 165248, 174285, 180740, 185904, 206560, 216888, 232380, 241920, 243999, 247872, 271110, 278856, 289184, 309840, 325332, 330496, 348570, 361480, 371808, 406665, 413120, 433776, 464760, 487998, 495744, 542220, 557712, 578368, 619680, 650664, 697140, 722960, 743616, 813330, 826240, 867552, 929520, 975996, 991488, 1084440, 1115424, 1156736, 1219995, 1239360, 1301328, 1394280, 1445920, 1487232, 1626660, 1652480, 1735104, 1859040, 1951992, 2168880, 2230848, 2313472, 2439990, 2478720, 2602656, 2788560, 2891840, 2974464, 3253320, 3470208, 3718080, 3903984, 4337760, 4461696, 4879980, 4957440, 5205312, 5577120, 5783680, 6506640, 6940416, 7436160, 7807968, 8675520, 8923392, 9759960, 10410624, 11154240, 11567360, 13013280, 14872320, 15615936, 17351040, 19519920, 20821248, 22308480, 26026560, 31231872, 34702080, 39039840, 44616960, 52053120, 62463744, 78079680, 104106240, 156159360, 312318720]

約数ペア:

[(1, 312318720), (2, 156159360), (3, 104106240), (4, 78079680), (5, 62463744), (6, 52053120), (7, 44616960), (8, 39039840), (9, 34702080), (10, 31231872), (12, 26026560), (14, 22308480), (15, 20821248), (16, 19519920), (18, 17351040), (20, 15615936), (21, 14872320), (24, 13013280), (27, 11567360), (28, 11154240), (30, 10410624), (32, 9759960), (35, 8923392), (36, 8675520), (40, 7807968), (42, 7436160), (45, 6940416), (48, 6506640), (54, 5783680), (56, 5577120), (60, 5205312), (63, 4957440), (64, 4879980), (70, 4461696), (72, 4337760), (80, 3903984), (84, 3718080), (90, 3470208), (96, 3253320), (105, 2974464), (108, 2891840), (112, 2788560), (120, 2602656), (126, 2478720), (128, 2439990), (135, 2313472), (140, 2230848), (144, 2168880), (160, 1951992), (168, 1859040), (180, 1735104), (189, 1652480), (192, 1626660), (210, 1487232), (216, 1445920), (224, 1394280), (240, 1301328), (252, 1239360), (256, 1219995), (270, 1156736), (280, 1115424), (288, 1084440), (315, 991488), (320, 975996), (336, 929520), (360, 867552), (378, 826240), (384, 813330), (420, 743616), (432, 722960), (448, 697140), (480, 650664), (504, 619680), (540, 578368), (560, 557712), (576, 542220), (630, 495744), (640, 487998), (672, 464760), (720, 433776), (756, 413120), (768, 406665), (840, 371808), (864, 361480), (896, 348570), (945, 330496), (960, 325332), (1008, 309840), (1080, 289184), (1120, 278856), (1152, 271110), (1260, 247872), (1280, 243999), (1291, 241920), (1344, 232380), (1440, 216888), (1512, 206560), (1680, 185904), (1728, 180740), (1792, 174285), (1890, 165248), (1920, 162666), (2016, 154920), (2160, 144592), (2240, 139428), (2304, 135555), (2520, 123936), (2582, 120960), (2688, 116190), (2880, 108444), (3024, 103280), (3360, 92952), (3456, 90370), (3780, 82624), (3840, 81333), (3873, 80640), (4032, 77460), (4320, 72296), (4480, 69714), (5040, 61968), (5164, 60480), (5376, 58095), (5760, 54222), (6048, 51640), (6455, 48384), (6720, 46476), (6912, 45185), (7560, 41312), (7746, 40320), (8064, 38730), (8640, 36148), (8960, 34857), (9037, 34560), (10080, 30984), (10328, 30240), (11520, 27111), (11619, 26880), (12096, 25820), (12910, 24192), (13440, 23238), (15120, 20656), (15492, 20160), (16128, 19365), (17280, 18074)]