20564276880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^4\times {\mathrm{127}}^1\times {\mathrm{281}}^1$

素因数の和:452

約数の個数: 400

約数和(自身を含む): 75222042624

約数和(自身を除く): 54657765744

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 127, 140, 147, 168, 196, 210, 240, 245, 254, 280, 281, 294, 336, 343, 381, 392, 420, 490, 508, 560, 562, 588, 635, 686, 735, 762, 784, 840, 843, 889, 980, 1016, 1029, 1124, 1176, 1270, 1372, 1405, 1470, 1524, 1680, 1686, 1715, 1778, 1905, 1960, 1967, 2032, 2058, 2248, 2352, 2401, 2540, 2667, 2744, 2810, 2940, 3048, 3372, 3430, 3556, 3810, 3920, 3934, 4116, 4215, 4445, 4496, 4802, 5080, 5145, 5334, 5488, 5620, 5880, 5901, 6096, 6223, 6744, 6860, 7112, 7203, 7620, 7868, 8232, 8430, 8890, 9604, 9835, 10160, 10290, 10668, 11240, 11760, 11802, 12005, 12446, 13335, 13488, 13720, 13769, 14224, 14406, 15240, 15736, 16464, 16860, 17780, 18669, 19208, 19670, 20580, 21336, 22480, 23604, 24010, 24892, 26670, 27440, 27538, 28812, 29505, 30480, 31115, 31472, 33720, 35560, 35687, 36015, 37338, 38416, 39340, 41160, 41307, 42672, 43561, 47208, 48020, 49784, 53340, 55076, 57624, 59010, 62230, 67440, 68845, 71120, 71374, 72030, 74676, 78680, 82320, 82614, 87122, 93345, 94416, 96040, 96383, 99568, 106680, 107061, 110152, 115248, 118020, 124460, 130683, 137690, 142748, 144060, 149352, 157360, 165228, 174244, 178435, 186690, 192080, 192766, 206535, 213360, 214122, 217805, 220304, 236040, 248920, 249809, 261366, 275380, 285496, 288120, 289149, 298704, 304927, 330456, 348488, 356870, 373380, 385532, 413070, 428244, 435610, 472080, 481915, 497840, 499618, 522732, 535305, 550760, 570992, 576240, 578298, 609854, 653415, 660912, 674681, 696976, 713740, 746760, 749427, 771064, 826140, 856488, 871220, 914781, 963830, 999236, 1045464, 1070610, 1101520, 1156596, 1219708, 1249045, 1306830, 1349362, 1427480, 1445745, 1493520, 1498854, 1524635, 1542128, 1652280, 1712976, 1742440, 1748663, 1829562, 1927660, 1998472, 2024043, 2090928, 2141220, 2313192, 2439416, 2498090, 2613660, 2698724, 2854960, 2891490, 2997708, 3049270, 3304560, 3373405, 3484880, 3497326, 3659124, 3747135, 3855320, 3996944, 4048086, 4282440, 4573905, 4626384, 4878832, 4996180, 5227320, 5245989, 5397448, 5782980, 5995416, 6098540, 6746810, 6994652, 7318248, 7494270, 7710640, 8096172, 8564880, 8743315, 9147810, 9992360, 10120215, 10454640, 10491978, 10794896, 11565960, 11990832, 12197080, 12240641, 13493620, 13989304, 14636496, 14988540, 16192344, 17486630, 18295620, 19984720, 20240430, 20983956, 23131920, 24394160, 24481282, 26229945, 26987240, 27978608, 29977080, 32384688, 34973260, 36591240, 36721923, 40480860, 41967912, 48962564, 52459890, 53974480, 59954160, 61203205, 69946520, 73182480, 73443846, 80961720, 83935824, 85684487, 97925128, 104919780, 122406410, 139893040, 146887692, 161923440, 171368974, 183609615, 195850256, 209839560, 244812820, 257053461, 293775384, 342737948, 367219230, 419679120, 428422435, 489625640, 514106922, 587550768, 685475896, 734438460, 856844870, 979251280, 1028213844, 1285267305, 1370951792, 1468876920, 1713689740, 2056427688, 2570534610, 2937753840, 3427379480, 4112855376, 5141069220, 6854758960, 10282138440, 20564276880]

約数ペア:

[(1, 20564276880), (2, 10282138440), (3, 6854758960), (4, 5141069220), (5, 4112855376), (6, 3427379480), (7, 2937753840), (8, 2570534610), (10, 2056427688), (12, 1713689740), (14, 1468876920), (15, 1370951792), (16, 1285267305), (20, 1028213844), (21, 979251280), (24, 856844870), (28, 734438460), (30, 685475896), (35, 587550768), (40, 514106922), (42, 489625640), (48, 428422435), (49, 419679120), (56, 367219230), (60, 342737948), (70, 293775384), (80, 257053461), (84, 244812820), (98, 209839560), (105, 195850256), (112, 183609615), (120, 171368974), (127, 161923440), (140, 146887692), (147, 139893040), (168, 122406410), (196, 104919780), (210, 97925128), (240, 85684487), (245, 83935824), (254, 80961720), (280, 73443846), (281, 73182480), (294, 69946520), (336, 61203205), (343, 59954160), (381, 53974480), (392, 52459890), (420, 48962564), (490, 41967912), (508, 40480860), (560, 36721923), (562, 36591240), (588, 34973260), (635, 32384688), (686, 29977080), (735, 27978608), (762, 26987240), (784, 26229945), (840, 24481282), (843, 24394160), (889, 23131920), (980, 20983956), (1016, 20240430), (1029, 19984720), (1124, 18295620), (1176, 17486630), (1270, 16192344), (1372, 14988540), (1405, 14636496), (1470, 13989304), (1524, 13493620), (1680, 12240641), (1686, 12197080), (1715, 11990832), (1778, 11565960), (1905, 10794896), (1960, 10491978), (1967, 10454640), (2032, 10120215), (2058, 9992360), (2248, 9147810), (2352, 8743315), (2401, 8564880), (2540, 8096172), (2667, 7710640), (2744, 7494270), (2810, 7318248), (2940, 6994652), (3048, 6746810), (3372, 6098540), (3430, 5995416), (3556, 5782980), (3810, 5397448), (3920, 5245989), (3934, 5227320), (4116, 4996180), (4215, 4878832), (4445, 4626384), (4496, 4573905), (4802, 4282440), (5080, 4048086), (5145, 3996944), (5334, 3855320), (5488, 3747135), (5620, 3659124), (5880, 3497326), (5901, 3484880), (6096, 3373405), (6223, 3304560), (6744, 3049270), (6860, 2997708), (7112, 2891490), (7203, 2854960), (7620, 2698724), (7868, 2613660), (8232, 2498090), (8430, 2439416), (8890, 2313192), (9604, 2141220), (9835, 2090928), (10160, 2024043), (10290, 1998472), (10668, 1927660), (11240, 1829562), (11760, 1748663), (11802, 1742440), (12005, 1712976), (12446, 1652280), (13335, 1542128), (13488, 1524635), (13720, 1498854), (13769, 1493520), (14224, 1445745), (14406, 1427480), (15240, 1349362), (15736, 1306830), (16464, 1249045), (16860, 1219708), (17780, 1156596), (18669, 1101520), (19208, 1070610), (19670, 1045464), (20580, 999236), (21336, 963830), (22480, 914781), (23604, 871220), (24010, 856488), (24892, 826140), (26670, 771064), (27440, 749427), (27538, 746760), (28812, 713740), (29505, 696976), (30480, 674681), (31115, 660912), (31472, 653415), (33720, 609854), (35560, 578298), (35687, 576240), (36015, 570992), (37338, 550760), (38416, 535305), (39340, 522732), (41160, 499618), (41307, 497840), (42672, 481915), (43561, 472080), (47208, 435610), (48020, 428244), (49784, 413070), (53340, 385532), (55076, 373380), (57624, 356870), (59010, 348488), (62230, 330456), (67440, 304927), (68845, 298704), (71120, 289149), (71374, 288120), (72030, 285496), (74676, 275380), (78680, 261366), (82320, 249809), (82614, 248920), (87122, 236040), (93345, 220304), (94416, 217805), (96040, 214122), (96383, 213360), (99568, 206535), (106680, 192766), (107061, 192080), (110152, 186690), (115248, 178435), (118020, 174244), (124460, 165228), (130683, 157360), (137690, 149352), (142748, 144060)]