257215680

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:164

約数の個数: 336

約数和(自身を含む): 948440064

約数和(自身を除く): 691224384

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 43, 45, 48, 60, 62, 64, 67, 72, 80, 86, 90, 93, 96, 120, 124, 129, 134, 144, 155, 160, 172, 180, 186, 192, 201, 215, 240, 248, 258, 268, 279, 288, 310, 320, 335, 344, 360, 372, 387, 402, 430, 465, 480, 496, 516, 536, 558, 576, 603, 620, 645, 670, 688, 720, 744, 774, 804, 860, 930, 960, 992, 1005, 1032, 1072, 1116, 1206, 1240, 1290, 1333, 1340, 1376, 1395, 1440, 1488, 1548, 1608, 1720, 1860, 1935, 1984, 2010, 2064, 2077, 2144, 2232, 2412, 2480, 2580, 2666, 2680, 2752, 2790, 2880, 2881, 2976, 3015, 3096, 3216, 3440, 3720, 3870, 3999, 4020, 4128, 4154, 4288, 4464, 4824, 4960, 5160, 5332, 5360, 5580, 5762, 5952, 6030, 6192, 6231, 6432, 6665, 6880, 7440, 7740, 7998, 8040, 8256, 8308, 8643, 8928, 9648, 9920, 10320, 10385, 10664, 10720, 11160, 11524, 11997, 12060, 12384, 12462, 12864, 13330, 13760, 14405, 14880, 15480, 15996, 16080, 16616, 17286, 17856, 18693, 19296, 19995, 20640, 20770, 21328, 21440, 22320, 23048, 23994, 24120, 24768, 24924, 25929, 26660, 28810, 29760, 30960, 31155, 31992, 32160, 33232, 34572, 37386, 38592, 39990, 41280, 41540, 42656, 43215, 44640, 46096, 47988, 48240, 49848, 51858, 53320, 57620, 59985, 61920, 62310, 63984, 64320, 66464, 69144, 74772, 79980, 83080, 85312, 86430, 89280, 89311, 92192, 93465, 95976, 96480, 99696, 103716, 106640, 115240, 119970, 123840, 124620, 127968, 129645, 132928, 138288, 149544, 159960, 166160, 172860, 178622, 184384, 186930, 191952, 192960, 199392, 207432, 213280, 230480, 239940, 249240, 255936, 259290, 267933, 276576, 299088, 319920, 332320, 345720, 357244, 373860, 383904, 398784, 414864, 426560, 446555, 460960, 479880, 498480, 518580, 535866, 553152, 598176, 639840, 664640, 691440, 714488, 747720, 767808, 803799, 829728, 893110, 921920, 959760, 996960, 1037160, 1071732, 1196352, 1279680, 1339665, 1382880, 1428976, 1495440, 1607598, 1659456, 1786220, 1919520, 1993920, 2074320, 2143464, 2679330, 2765760, 2857952, 2990880, 3215196, 3572440, 3839040, 4018995, 4148640, 4286928, 5358660, 5715904, 5981760, 6430392, 7144880, 8037990, 8297280, 8573856, 10717320, 12860784, 14289760, 16075980, 17147712, 21434640, 25721568, 28579520, 32151960, 42869280, 51443136, 64303920, 85738560, 128607840, 257215680]

約数ペア:

[(1, 257215680), (2, 128607840), (3, 85738560), (4, 64303920), (5, 51443136), (6, 42869280), (8, 32151960), (9, 28579520), (10, 25721568), (12, 21434640), (15, 17147712), (16, 16075980), (18, 14289760), (20, 12860784), (24, 10717320), (30, 8573856), (31, 8297280), (32, 8037990), (36, 7144880), (40, 6430392), (43, 5981760), (45, 5715904), (48, 5358660), (60, 4286928), (62, 4148640), (64, 4018995), (67, 3839040), (72, 3572440), (80, 3215196), (86, 2990880), (90, 2857952), (93, 2765760), (96, 2679330), (120, 2143464), (124, 2074320), (129, 1993920), (134, 1919520), (144, 1786220), (155, 1659456), (160, 1607598), (172, 1495440), (180, 1428976), (186, 1382880), (192, 1339665), (201, 1279680), (215, 1196352), (240, 1071732), (248, 1037160), (258, 996960), (268, 959760), (279, 921920), (288, 893110), (310, 829728), (320, 803799), (335, 767808), (344, 747720), (360, 714488), (372, 691440), (387, 664640), (402, 639840), (430, 598176), (465, 553152), (480, 535866), (496, 518580), (516, 498480), (536, 479880), (558, 460960), (576, 446555), (603, 426560), (620, 414864), (645, 398784), (670, 383904), (688, 373860), (720, 357244), (744, 345720), (774, 332320), (804, 319920), (860, 299088), (930, 276576), (960, 267933), (992, 259290), (1005, 255936), (1032, 249240), (1072, 239940), (1116, 230480), (1206, 213280), (1240, 207432), (1290, 199392), (1333, 192960), (1340, 191952), (1376, 186930), (1395, 184384), (1440, 178622), (1488, 172860), (1548, 166160), (1608, 159960), (1720, 149544), (1860, 138288), (1935, 132928), (1984, 129645), (2010, 127968), (2064, 124620), (2077, 123840), (2144, 119970), (2232, 115240), (2412, 106640), (2480, 103716), (2580, 99696), (2666, 96480), (2680, 95976), (2752, 93465), (2790, 92192), (2880, 89311), (2881, 89280), (2976, 86430), (3015, 85312), (3096, 83080), (3216, 79980), (3440, 74772), (3720, 69144), (3870, 66464), (3999, 64320), (4020, 63984), (4128, 62310), (4154, 61920), (4288, 59985), (4464, 57620), (4824, 53320), (4960, 51858), (5160, 49848), (5332, 48240), (5360, 47988), (5580, 46096), (5762, 44640), (5952, 43215), (6030, 42656), (6192, 41540), (6231, 41280), (6432, 39990), (6665, 38592), (6880, 37386), (7440, 34572), (7740, 33232), (7998, 32160), (8040, 31992), (8256, 31155), (8308, 30960), (8643, 29760), (8928, 28810), (9648, 26660), (9920, 25929), (10320, 24924), (10385, 24768), (10664, 24120), (10720, 23994), (11160, 23048), (11524, 22320), (11997, 21440), (12060, 21328), (12384, 20770), (12462, 20640), (12864, 19995), (13330, 19296), (13760, 18693), (14405, 17856), (14880, 17286), (15480, 16616), (15996, 16080)]