51389280

素因数分解:

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

素因数の和:429

約数の個数: 144

約数和(自身を含む): 177375744

約数和(自身を除く): 125986464

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 127, 144, 160, 180, 240, 254, 281, 288, 360, 381, 480, 508, 562, 635, 720, 762, 843, 1016, 1124, 1143, 1270, 1405, 1440, 1524, 1686, 1905, 2032, 2248, 2286, 2529, 2540, 2810, 3048, 3372, 3810, 4064, 4215, 4496, 4572, 5058, 5080, 5620, 5715, 6096, 6744, 7620, 8430, 8992, 9144, 10116, 10160, 11240, 11430, 12192, 12645, 13488, 15240, 16860, 18288, 20232, 20320, 22480, 22860, 25290, 26976, 30480, 33720, 35687, 36576, 40464, 44960, 45720, 50580, 60960, 67440, 71374, 80928, 91440, 101160, 107061, 134880, 142748, 178435, 182880, 202320, 214122, 285496, 321183, 356870, 404640, 428244, 535305, 570992, 642366, 713740, 856488, 1070610, 1141984, 1284732, 1427480, 1605915, 1712976, 2141220, 2569464, 2854960, 3211830, 3425952, 4282440, 5138928, 5709920, 6423660, 8564880, 10277856, 12847320, 17129760, 25694640, 51389280]

約数ペア:

[(1, 51389280), (2, 25694640), (3, 17129760), (4, 12847320), (5, 10277856), (6, 8564880), (8, 6423660), (9, 5709920), (10, 5138928), (12, 4282440), (15, 3425952), (16, 3211830), (18, 2854960), (20, 2569464), (24, 2141220), (30, 1712976), (32, 1605915), (36, 1427480), (40, 1284732), (45, 1141984), (48, 1070610), (60, 856488), (72, 713740), (80, 642366), (90, 570992), (96, 535305), (120, 428244), (127, 404640), (144, 356870), (160, 321183), (180, 285496), (240, 214122), (254, 202320), (281, 182880), (288, 178435), (360, 142748), (381, 134880), (480, 107061), (508, 101160), (562, 91440), (635, 80928), (720, 71374), (762, 67440), (843, 60960), (1016, 50580), (1124, 45720), (1143, 44960), (1270, 40464), (1405, 36576), (1440, 35687), (1524, 33720), (1686, 30480), (1905, 26976), (2032, 25290), (2248, 22860), (2286, 22480), (2529, 20320), (2540, 20232), (2810, 18288), (3048, 16860), (3372, 15240), (3810, 13488), (4064, 12645), (4215, 12192), (4496, 11430), (4572, 11240), (5058, 10160), (5080, 10116), (5620, 9144), (5715, 8992), (6096, 8430), (6744, 7620)]