257327280

素因数分解:

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

素因数の和:127

約数の個数: 480

約数和(自身を含む): 1074597888

約数和(自身を除く): 817270608

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 31, 35, 36, 40, 42, 45, 48, 54, 56, 60, 61, 62, 63, 70, 72, 80, 81, 84, 90, 93, 105, 108, 112, 120, 122, 124, 126, 135, 140, 144, 155, 162, 168, 180, 183, 186, 189, 210, 216, 217, 240, 243, 244, 248, 252, 270, 279, 280, 305, 310, 315, 324, 336, 360, 366, 372, 378, 405, 420, 427, 432, 434, 465, 486, 488, 496, 504, 540, 549, 558, 560, 567, 610, 620, 630, 648, 651, 720, 732, 744, 756, 810, 837, 840, 854, 868, 915, 930, 945, 972, 976, 1008, 1080, 1085, 1098, 1116, 1134, 1215, 1220, 1240, 1260, 1281, 1296, 1302, 1395, 1464, 1488, 1512, 1620, 1647, 1674, 1680, 1701, 1708, 1736, 1830, 1860, 1890, 1891, 1944, 1953, 2135, 2160, 2170, 2196, 2232, 2268, 2430, 2440, 2480, 2511, 2520, 2562, 2604, 2745, 2790, 2835, 2928, 3024, 3240, 3255, 3294, 3348, 3402, 3416, 3472, 3660, 3720, 3780, 3782, 3843, 3888, 3906, 4185, 4270, 4340, 4392, 4464, 4536, 4860, 4880, 4941, 5022, 5040, 5124, 5208, 5490, 5580, 5670, 5673, 5859, 6405, 6480, 6510, 6588, 6696, 6804, 6832, 7320, 7440, 7533, 7560, 7564, 7686, 7812, 8235, 8370, 8505, 8540, 8680, 8784, 9072, 9455, 9720, 9765, 9882, 10044, 10248, 10416, 10980, 11160, 11340, 11346, 11529, 11718, 12555, 12810, 13020, 13176, 13237, 13392, 13608, 14640, 14823, 15066, 15120, 15128, 15372, 15624, 16470, 16740, 17010, 17019, 17080, 17360, 17577, 18910, 19215, 19440, 19530, 19764, 20088, 20496, 21960, 22320, 22680, 22692, 23058, 23436, 24705, 25110, 25620, 26040, 26352, 26474, 27216, 28365, 29295, 29646, 30132, 30256, 30744, 31248, 32940, 33480, 34020, 34038, 34160, 34587, 35154, 37665, 37820, 38430, 39060, 39528, 39711, 40176, 43920, 45360, 45384, 46116, 46872, 49410, 50220, 51057, 51240, 52080, 52731, 52948, 56730, 57645, 58590, 59292, 60264, 61488, 65880, 66185, 66960, 68040, 68076, 69174, 70308, 74115, 75330, 75640, 76860, 78120, 79056, 79422, 85095, 87885, 90768, 92232, 93744, 98820, 100440, 102114, 102480, 103761, 105462, 105896, 113460, 115290, 117180, 118584, 119133, 120528, 131760, 132370, 136080, 136152, 138348, 140616, 148230, 150660, 151280, 153171, 153720, 156240, 158844, 170190, 172935, 175770, 184464, 197640, 198555, 200880, 204228, 207522, 210924, 211792, 226920, 230580, 234360, 237168, 238266, 255285, 263655, 264740, 272304, 276696, 281232, 296460, 301320, 306342, 307440, 317688, 340380, 345870, 351540, 357399, 395280, 397110, 408456, 415044, 421848, 453840, 459513, 461160, 468720, 476532, 510570, 518805, 527310, 529480, 553392, 592920, 595665, 602640, 612684, 635376, 680760, 691740, 703080, 714798, 765855, 794220, 816912, 830088, 843696, 919026, 922320, 953064, 1021140, 1037610, 1054620, 1058960, 1072197, 1185840, 1191330, 1225368, 1361520, 1383480, 1406160, 1429596, 1531710, 1588440, 1660176, 1786995, 1838052, 1906128, 2042280, 2075220, 2109240, 2144394, 2297565, 2382660, 2450736, 2766960, 2859192, 3063420, 3176880, 3216591, 3573990, 3676104, 4084560, 4150440, 4218480, 4288788, 4595130, 4765320, 5360985, 5718384, 6126840, 6433182, 7147980, 7352208, 8300880, 8577576, 9190260, 9530640, 10721970, 12253680, 12866364, 14295960, 16082955, 17155152, 18380520, 21443940, 25732728, 28591920, 32165910, 36761040, 42887880, 51465456, 64331820, 85775760, 128663640, 257327280]

約数ペア:

[(1, 257327280), (2, 128663640), (3, 85775760), (4, 64331820), (5, 51465456), (6, 42887880), (7, 36761040), (8, 32165910), (9, 28591920), (10, 25732728), (12, 21443940), (14, 18380520), (15, 17155152), (16, 16082955), (18, 14295960), (20, 12866364), (21, 12253680), (24, 10721970), (27, 9530640), (28, 9190260), (30, 8577576), (31, 8300880), (35, 7352208), (36, 7147980), (40, 6433182), (42, 6126840), (45, 5718384), (48, 5360985), (54, 4765320), (56, 4595130), (60, 4288788), (61, 4218480), (62, 4150440), (63, 4084560), (70, 3676104), (72, 3573990), (80, 3216591), (81, 3176880), (84, 3063420), (90, 2859192), (93, 2766960), (105, 2450736), (108, 2382660), (112, 2297565), (120, 2144394), (122, 2109240), (124, 2075220), (126, 2042280), (135, 1906128), (140, 1838052), (144, 1786995), (155, 1660176), (162, 1588440), (168, 1531710), (180, 1429596), (183, 1406160), (186, 1383480), (189, 1361520), (210, 1225368), (216, 1191330), (217, 1185840), (240, 1072197), (243, 1058960), (244, 1054620), (248, 1037610), (252, 1021140), (270, 953064), (279, 922320), (280, 919026), (305, 843696), (310, 830088), (315, 816912), (324, 794220), (336, 765855), (360, 714798), (366, 703080), (372, 691740), (378, 680760), (405, 635376), (420, 612684), (427, 602640), (432, 595665), (434, 592920), (465, 553392), (486, 529480), (488, 527310), (496, 518805), (504, 510570), (540, 476532), (549, 468720), (558, 461160), (560, 459513), (567, 453840), (610, 421848), (620, 415044), (630, 408456), (648, 397110), (651, 395280), (720, 357399), (732, 351540), (744, 345870), (756, 340380), (810, 317688), (837, 307440), (840, 306342), (854, 301320), (868, 296460), (915, 281232), (930, 276696), (945, 272304), (972, 264740), (976, 263655), (1008, 255285), (1080, 238266), (1085, 237168), (1098, 234360), (1116, 230580), (1134, 226920), (1215, 211792), (1220, 210924), (1240, 207522), (1260, 204228), (1281, 200880), (1296, 198555), (1302, 197640), (1395, 184464), (1464, 175770), (1488, 172935), (1512, 170190), (1620, 158844), (1647, 156240), (1674, 153720), (1680, 153171), (1701, 151280), (1708, 150660), (1736, 148230), (1830, 140616), (1860, 138348), (1890, 136152), (1891, 136080), (1944, 132370), (1953, 131760), (2135, 120528), (2160, 119133), (2170, 118584), (2196, 117180), (2232, 115290), (2268, 113460), (2430, 105896), (2440, 105462), (2480, 103761), (2511, 102480), (2520, 102114), (2562, 100440), (2604, 98820), (2745, 93744), (2790, 92232), (2835, 90768), (2928, 87885), (3024, 85095), (3240, 79422), (3255, 79056), (3294, 78120), (3348, 76860), (3402, 75640), (3416, 75330), (3472, 74115), (3660, 70308), (3720, 69174), (3780, 68076), (3782, 68040), (3843, 66960), (3888, 66185), (3906, 65880), (4185, 61488), (4270, 60264), (4340, 59292), (4392, 58590), (4464, 57645), (4536, 56730), (4860, 52948), (4880, 52731), (4941, 52080), (5022, 51240), (5040, 51057), (5124, 50220), (5208, 49410), (5490, 46872), (5580, 46116), (5670, 45384), (5673, 45360), (5859, 43920), (6405, 40176), (6480, 39711), (6510, 39528), (6588, 39060), (6696, 38430), (6804, 37820), (6832, 37665), (7320, 35154), (7440, 34587), (7533, 34160), (7560, 34038), (7564, 34020), (7686, 33480), (7812, 32940), (8235, 31248), (8370, 30744), (8505, 30256), (8540, 30132), (8680, 29646), (8784, 29295), (9072, 28365), (9455, 27216), (9720, 26474), (9765, 26352), (9882, 26040), (10044, 25620), (10248, 25110), (10416, 24705), (10980, 23436), (11160, 23058), (11340, 22692), (11346, 22680), (11529, 22320), (11718, 21960), (12555, 20496), (12810, 20088), (13020, 19764), (13176, 19530), (13237, 19440), (13392, 19215), (13608, 18910), (14640, 17577), (14823, 17360), (15066, 17080), (15120, 17019), (15128, 17010), (15372, 16740), (15624, 16470)]