638245440

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:267

約数の個数: 448

約数和(自身を含む): 2630545920

約数和(自身を除く): 1992300480

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, 61, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 122, 126, 135, 140, 144, 160, 168, 173, 180, 183, 189, 192, 210, 216, 224, 240, 244, 252, 270, 280, 288, 305, 315, 320, 336, 346, 360, 366, 378, 420, 427, 432, 448, 480, 488, 504, 519, 540, 549, 560, 576, 610, 630, 672, 692, 720, 732, 756, 840, 854, 864, 865, 915, 945, 960, 976, 1008, 1038, 1080, 1098, 1120, 1211, 1220, 1260, 1281, 1344, 1384, 1440, 1464, 1512, 1557, 1647, 1680, 1708, 1728, 1730, 1830, 1890, 1952, 2016, 2076, 2135, 2160, 2196, 2240, 2422, 2440, 2520, 2562, 2595, 2745, 2768, 2880, 2928, 3024, 3114, 3294, 3360, 3416, 3460, 3633, 3660, 3780, 3843, 3904, 4032, 4152, 4270, 4320, 4392, 4671, 4844, 4880, 5040, 5124, 5190, 5490, 5536, 5856, 6048, 6055, 6228, 6405, 6588, 6720, 6832, 6920, 7266, 7320, 7560, 7686, 7785, 8235, 8304, 8540, 8640, 8784, 9342, 9688, 9760, 10080, 10248, 10380, 10553, 10899, 10980, 11072, 11529, 11712, 12096, 12110, 12456, 12810, 13176, 13664, 13840, 14532, 14640, 15120, 15372, 15570, 16470, 16608, 17080, 17568, 18165, 18684, 19215, 19376, 19520, 20160, 20496, 20760, 21106, 21798, 21960, 23058, 23355, 24220, 24912, 25620, 26352, 27328, 27680, 29064, 29280, 30240, 30744, 31140, 31659, 32697, 32940, 33216, 34160, 35136, 36330, 37368, 38430, 38752, 40992, 41520, 42212, 43596, 43920, 46116, 46710, 48440, 49824, 51240, 52704, 52765, 54495, 55360, 57645, 58128, 58560, 60480, 61488, 62280, 63318, 65394, 65880, 68320, 72660, 73871, 74736, 76860, 77504, 81984, 83040, 84424, 87192, 87840, 92232, 93420, 94977, 96880, 99648, 102480, 105408, 105530, 108990, 115290, 116256, 122976, 124560, 126636, 130788, 131760, 136640, 145320, 147742, 149472, 153720, 158295, 163485, 166080, 168848, 174384, 175680, 184464, 186840, 189954, 193760, 204960, 211060, 217980, 221613, 230580, 232512, 245952, 249120, 253272, 261576, 263520, 284931, 290640, 295484, 298944, 307440, 316590, 326970, 337696, 348768, 368928, 369355, 373680, 379908, 387520, 409920, 422120, 435960, 443226, 461160, 474885, 498240, 506544, 523152, 527040, 569862, 581280, 590968, 614880, 633180, 653940, 664839, 675392, 697536, 737856, 738710, 747360, 759816, 844240, 871920, 886452, 922320, 949770, 1013088, 1046304, 1108065, 1139724, 1162560, 1181936, 1229760, 1266360, 1307880, 1329678, 1424655, 1477420, 1494720, 1519632, 1688480, 1743840, 1772904, 1844640, 1899540, 1994517, 2026176, 2092608, 2216130, 2279448, 2363872, 2532720, 2615760, 2659356, 2849310, 2954840, 3039264, 3324195, 3376960, 3487680, 3545808, 3689280, 3799080, 3989034, 4432260, 4558896, 4727744, 5065440, 5231520, 5318712, 5698620, 5909680, 6078528, 6648390, 7091616, 7598160, 7978068, 8864520, 9117792, 9972585, 10130880, 10463040, 10637424, 11397240, 11819360, 13296780, 14183232, 15196320, 15956136, 17729040, 18235584, 19945170, 21274848, 22794480, 23638720, 26593560, 30392640, 31912272, 35458080, 39890340, 42549696, 45588960, 53187120, 63824544, 70916160, 79780680, 91177920, 106374240, 127649088, 159561360, 212748480, 319122720, 638245440]

約数ペア:

[(1, 638245440), (2, 319122720), (3, 212748480), (4, 159561360), (5, 127649088), (6, 106374240), (7, 91177920), (8, 79780680), (9, 70916160), (10, 63824544), (12, 53187120), (14, 45588960), (15, 42549696), (16, 39890340), (18, 35458080), (20, 31912272), (21, 30392640), (24, 26593560), (27, 23638720), (28, 22794480), (30, 21274848), (32, 19945170), (35, 18235584), (36, 17729040), (40, 15956136), (42, 15196320), (45, 14183232), (48, 13296780), (54, 11819360), (56, 11397240), (60, 10637424), (61, 10463040), (63, 10130880), (64, 9972585), (70, 9117792), (72, 8864520), (80, 7978068), (84, 7598160), (90, 7091616), (96, 6648390), (105, 6078528), (108, 5909680), (112, 5698620), (120, 5318712), (122, 5231520), (126, 5065440), (135, 4727744), (140, 4558896), (144, 4432260), (160, 3989034), (168, 3799080), (173, 3689280), (180, 3545808), (183, 3487680), (189, 3376960), (192, 3324195), (210, 3039264), (216, 2954840), (224, 2849310), (240, 2659356), (244, 2615760), (252, 2532720), (270, 2363872), (280, 2279448), (288, 2216130), (305, 2092608), (315, 2026176), (320, 1994517), (336, 1899540), (346, 1844640), (360, 1772904), (366, 1743840), (378, 1688480), (420, 1519632), (427, 1494720), (432, 1477420), (448, 1424655), (480, 1329678), (488, 1307880), (504, 1266360), (519, 1229760), (540, 1181936), (549, 1162560), (560, 1139724), (576, 1108065), (610, 1046304), (630, 1013088), (672, 949770), (692, 922320), (720, 886452), (732, 871920), (756, 844240), (840, 759816), (854, 747360), (864, 738710), (865, 737856), (915, 697536), (945, 675392), (960, 664839), (976, 653940), (1008, 633180), (1038, 614880), (1080, 590968), (1098, 581280), (1120, 569862), (1211, 527040), (1220, 523152), (1260, 506544), (1281, 498240), (1344, 474885), (1384, 461160), (1440, 443226), (1464, 435960), (1512, 422120), (1557, 409920), (1647, 387520), (1680, 379908), (1708, 373680), (1728, 369355), (1730, 368928), (1830, 348768), (1890, 337696), (1952, 326970), (2016, 316590), (2076, 307440), (2135, 298944), (2160, 295484), (2196, 290640), (2240, 284931), (2422, 263520), (2440, 261576), (2520, 253272), (2562, 249120), (2595, 245952), (2745, 232512), (2768, 230580), (2880, 221613), (2928, 217980), (3024, 211060), (3114, 204960), (3294, 193760), (3360, 189954), (3416, 186840), (3460, 184464), (3633, 175680), (3660, 174384), (3780, 168848), (3843, 166080), (3904, 163485), (4032, 158295), (4152, 153720), (4270, 149472), (4320, 147742), (4392, 145320), (4671, 136640), (4844, 131760), (4880, 130788), (5040, 126636), (5124, 124560), (5190, 122976), (5490, 116256), (5536, 115290), (5856, 108990), (6048, 105530), (6055, 105408), (6228, 102480), (6405, 99648), (6588, 96880), (6720, 94977), (6832, 93420), (6920, 92232), (7266, 87840), (7320, 87192), (7560, 84424), (7686, 83040), (7785, 81984), (8235, 77504), (8304, 76860), (8540, 74736), (8640, 73871), (8784, 72660), (9342, 68320), (9688, 65880), (9760, 65394), (10080, 63318), (10248, 62280), (10380, 61488), (10553, 60480), (10899, 58560), (10980, 58128), (11072, 57645), (11529, 55360), (11712, 54495), (12096, 52765), (12110, 52704), (12456, 51240), (12810, 49824), (13176, 48440), (13664, 46710), (13840, 46116), (14532, 43920), (14640, 43596), (15120, 42212), (15372, 41520), (15570, 40992), (16470, 38752), (16608, 38430), (17080, 37368), (17568, 36330), (18165, 35136), (18684, 34160), (19215, 33216), (19376, 32940), (19520, 32697), (20160, 31659), (20496, 31140), (20760, 30744), (21106, 30240), (21798, 29280), (21960, 29064), (23058, 27680), (23355, 27328), (24220, 26352), (24912, 25620)]