638552880

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:185

約数の個数: 480

約数和(自身を含む): 2609737728

約数和(自身を除く): 1971184848

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 48, 56, 60, 61, 62, 63, 67, 70, 72, 80, 84, 90, 93, 105, 112, 120, 122, 124, 126, 134, 140, 144, 155, 168, 180, 183, 186, 201, 210, 217, 240, 244, 248, 252, 268, 279, 280, 305, 310, 315, 335, 336, 360, 366, 372, 402, 420, 427, 434, 465, 469, 488, 496, 504, 536, 549, 558, 560, 603, 610, 620, 630, 651, 670, 720, 732, 744, 804, 840, 854, 868, 915, 930, 938, 976, 1005, 1008, 1072, 1085, 1098, 1116, 1206, 1220, 1240, 1260, 1281, 1302, 1340, 1395, 1407, 1464, 1488, 1608, 1680, 1708, 1736, 1830, 1860, 1876, 1891, 1953, 2010, 2077, 2135, 2170, 2196, 2232, 2345, 2412, 2440, 2480, 2520, 2562, 2604, 2680, 2745, 2790, 2814, 2928, 3015, 3216, 3255, 3416, 3472, 3660, 3720, 3752, 3782, 3843, 3906, 4020, 4087, 4154, 4221, 4270, 4340, 4392, 4464, 4690, 4824, 4880, 5040, 5124, 5208, 5360, 5490, 5580, 5628, 5673, 6030, 6231, 6405, 6510, 6832, 7035, 7320, 7440, 7504, 7564, 7686, 7812, 8040, 8174, 8308, 8442, 8540, 8680, 8784, 9380, 9455, 9648, 9765, 10248, 10385, 10416, 10980, 11160, 11256, 11346, 12060, 12261, 12462, 12810, 13020, 13237, 14070, 14539, 14640, 15128, 15372, 15624, 16080, 16348, 16616, 16884, 17019, 17080, 17360, 18693, 18760, 18910, 19215, 19530, 20435, 20496, 20770, 21105, 21960, 22320, 22512, 22692, 24120, 24522, 24924, 25620, 26040, 26474, 28140, 28365, 28609, 29078, 30256, 30744, 31155, 31248, 32696, 33232, 33768, 34038, 34160, 36783, 37386, 37520, 37820, 38430, 39060, 39711, 40870, 41540, 42210, 43617, 43920, 45384, 48240, 49044, 49848, 51240, 52080, 52948, 56280, 56730, 57218, 58156, 61305, 61488, 62310, 65392, 66185, 67536, 68076, 72695, 73566, 74772, 75640, 76860, 78120, 79422, 81740, 83080, 84420, 85095, 85827, 87234, 90768, 93465, 98088, 99696, 102480, 105896, 112560, 113460, 114436, 116312, 119133, 122610, 124620, 126697, 130851, 132370, 136152, 143045, 145390, 147132, 149544, 151280, 153720, 156240, 158844, 163480, 166160, 168840, 170190, 171654, 174468, 183915, 186930, 196176, 198555, 211792, 218085, 226920, 228872, 232624, 238266, 245220, 249240, 253394, 257481, 261702, 264740, 272304, 286090, 290780, 294264, 299088, 307440, 317688, 326960, 337680, 340380, 343308, 348936, 367830, 373860, 380091, 397110, 429135, 436170, 453840, 457744, 476532, 490440, 498480, 506788, 514962, 523404, 529480, 572180, 581560, 588528, 595665, 633485, 635376, 654255, 680760, 686616, 697872, 735660, 747720, 760182, 794220, 858270, 872340, 886879, 953064, 980880, 1013576, 1029924, 1046808, 1058960, 1140273, 1144360, 1163120, 1191330, 1266970, 1287405, 1308510, 1361520, 1373232, 1471320, 1495440, 1520364, 1588440, 1716540, 1744680, 1773758, 1900455, 1906128, 2027152, 2059848, 2093616, 2280546, 2288720, 2382660, 2533940, 2574810, 2617020, 2660637, 2942640, 3040728, 3176880, 3433080, 3489360, 3547516, 3800910, 4119696, 4434395, 4561092, 4765320, 5067880, 5149620, 5234040, 5321274, 5701365, 6081456, 6866160, 7095032, 7601820, 7981911, 8868790, 9122184, 9530640, 10135760, 10299240, 10468080, 10642548, 11402730, 13303185, 14190064, 15203640, 15963822, 17737580, 18244368, 20598480, 21285096, 22805460, 26606370, 30407280, 31927644, 35475160, 39909555, 42570192, 45610920, 53212740, 63855288, 70950320, 79819110, 91221840, 106425480, 127710576, 159638220, 212850960, 319276440, 638552880]

約数ペア:

[(1, 638552880), (2, 319276440), (3, 212850960), (4, 159638220), (5, 127710576), (6, 106425480), (7, 91221840), (8, 79819110), (9, 70950320), (10, 63855288), (12, 53212740), (14, 45610920), (15, 42570192), (16, 39909555), (18, 35475160), (20, 31927644), (21, 30407280), (24, 26606370), (28, 22805460), (30, 21285096), (31, 20598480), (35, 18244368), (36, 17737580), (40, 15963822), (42, 15203640), (45, 14190064), (48, 13303185), (56, 11402730), (60, 10642548), (61, 10468080), (62, 10299240), (63, 10135760), (67, 9530640), (70, 9122184), (72, 8868790), (80, 7981911), (84, 7601820), (90, 7095032), (93, 6866160), (105, 6081456), (112, 5701365), (120, 5321274), (122, 5234040), (124, 5149620), (126, 5067880), (134, 4765320), (140, 4561092), (144, 4434395), (155, 4119696), (168, 3800910), (180, 3547516), (183, 3489360), (186, 3433080), (201, 3176880), (210, 3040728), (217, 2942640), (240, 2660637), (244, 2617020), (248, 2574810), (252, 2533940), (268, 2382660), (279, 2288720), (280, 2280546), (305, 2093616), (310, 2059848), (315, 2027152), (335, 1906128), (336, 1900455), (360, 1773758), (366, 1744680), (372, 1716540), (402, 1588440), (420, 1520364), (427, 1495440), (434, 1471320), (465, 1373232), (469, 1361520), (488, 1308510), (496, 1287405), (504, 1266970), (536, 1191330), (549, 1163120), (558, 1144360), (560, 1140273), (603, 1058960), (610, 1046808), (620, 1029924), (630, 1013576), (651, 980880), (670, 953064), (720, 886879), (732, 872340), (744, 858270), (804, 794220), (840, 760182), (854, 747720), (868, 735660), (915, 697872), (930, 686616), (938, 680760), (976, 654255), (1005, 635376), (1008, 633485), (1072, 595665), (1085, 588528), (1098, 581560), (1116, 572180), (1206, 529480), (1220, 523404), (1240, 514962), (1260, 506788), (1281, 498480), (1302, 490440), (1340, 476532), (1395, 457744), (1407, 453840), (1464, 436170), (1488, 429135), (1608, 397110), (1680, 380091), (1708, 373860), (1736, 367830), (1830, 348936), (1860, 343308), (1876, 340380), (1891, 337680), (1953, 326960), (2010, 317688), (2077, 307440), (2135, 299088), (2170, 294264), (2196, 290780), (2232, 286090), (2345, 272304), (2412, 264740), (2440, 261702), (2480, 257481), (2520, 253394), (2562, 249240), (2604, 245220), (2680, 238266), (2745, 232624), (2790, 228872), (2814, 226920), (2928, 218085), (3015, 211792), (3216, 198555), (3255, 196176), (3416, 186930), (3472, 183915), (3660, 174468), (3720, 171654), (3752, 170190), (3782, 168840), (3843, 166160), (3906, 163480), (4020, 158844), (4087, 156240), (4154, 153720), (4221, 151280), (4270, 149544), (4340, 147132), (4392, 145390), (4464, 143045), (4690, 136152), (4824, 132370), (4880, 130851), (5040, 126697), (5124, 124620), (5208, 122610), (5360, 119133), (5490, 116312), (5580, 114436), (5628, 113460), (5673, 112560), (6030, 105896), (6231, 102480), (6405, 99696), (6510, 98088), (6832, 93465), (7035, 90768), (7320, 87234), (7440, 85827), (7504, 85095), (7564, 84420), (7686, 83080), (7812, 81740), (8040, 79422), (8174, 78120), (8308, 76860), (8442, 75640), (8540, 74772), (8680, 73566), (8784, 72695), (9380, 68076), (9455, 67536), (9648, 66185), (9765, 65392), (10248, 62310), (10385, 61488), (10416, 61305), (10980, 58156), (11160, 57218), (11256, 56730), (11346, 56280), (12060, 52948), (12261, 52080), (12462, 51240), (12810, 49848), (13020, 49044), (13237, 48240), (14070, 45384), (14539, 43920), (14640, 43617), (15128, 42210), (15372, 41540), (15624, 40870), (16080, 39711), (16348, 39060), (16616, 38430), (16884, 37820), (17019, 37520), (17080, 37386), (17360, 36783), (18693, 34160), (18760, 34038), (18910, 33768), (19215, 33232), (19530, 32696), (20435, 31248), (20496, 31155), (20770, 30744), (21105, 30256), (21960, 29078), (22320, 28609), (22512, 28365), (22692, 28140), (24120, 26474), (24522, 26040), (24924, 25620)]