207984960

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{281}}^1$

素因数の和:561

約数の個数: 168

約数和(自身を含む): 720720936

約数和(自身を除く): 512735976

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, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 257, 281, 288, 320, 360, 480, 514, 562, 576, 720, 771, 843, 960, 1028, 1124, 1285, 1405, 1440, 1542, 1686, 2056, 2248, 2313, 2529, 2570, 2810, 2880, 3084, 3372, 3855, 4112, 4215, 4496, 4626, 5058, 5140, 5620, 6168, 6744, 7710, 8224, 8430, 8992, 9252, 10116, 10280, 11240, 11565, 12336, 12645, 13488, 15420, 16448, 16860, 17984, 18504, 20232, 20560, 22480, 23130, 24672, 25290, 26976, 30840, 33720, 37008, 40464, 41120, 44960, 46260, 49344, 50580, 53952, 61680, 67440, 72217, 74016, 80928, 82240, 89920, 92520, 101160, 123360, 134880, 144434, 148032, 161856, 185040, 202320, 216651, 246720, 269760, 288868, 361085, 370080, 404640, 433302, 577736, 649953, 722170, 740160, 809280, 866604, 1083255, 1155472, 1299906, 1444340, 1733208, 2166510, 2310944, 2599812, 2888680, 3249765, 3466416, 4333020, 4621888, 5199624, 5777360, 6499530, 6932832, 8666040, 10399248, 11554720, 12999060, 13865664, 17332080, 20798496, 23109440, 25998120, 34664160, 41596992, 51996240, 69328320, 103992480, 207984960]

約数ペア:

[(1, 207984960), (2, 103992480), (3, 69328320), (4, 51996240), (5, 41596992), (6, 34664160), (8, 25998120), (9, 23109440), (10, 20798496), (12, 17332080), (15, 13865664), (16, 12999060), (18, 11554720), (20, 10399248), (24, 8666040), (30, 6932832), (32, 6499530), (36, 5777360), (40, 5199624), (45, 4621888), (48, 4333020), (60, 3466416), (64, 3249765), (72, 2888680), (80, 2599812), (90, 2310944), (96, 2166510), (120, 1733208), (144, 1444340), (160, 1299906), (180, 1155472), (192, 1083255), (240, 866604), (257, 809280), (281, 740160), (288, 722170), (320, 649953), (360, 577736), (480, 433302), (514, 404640), (562, 370080), (576, 361085), (720, 288868), (771, 269760), (843, 246720), (960, 216651), (1028, 202320), (1124, 185040), (1285, 161856), (1405, 148032), (1440, 144434), (1542, 134880), (1686, 123360), (2056, 101160), (2248, 92520), (2313, 89920), (2529, 82240), (2570, 80928), (2810, 74016), (2880, 72217), (3084, 67440), (3372, 61680), (3855, 53952), (4112, 50580), (4215, 49344), (4496, 46260), (4626, 44960), (5058, 41120), (5140, 40464), (5620, 37008), (6168, 33720), (6744, 30840), (7710, 26976), (8224, 25290), (8430, 24672), (8992, 23130), (9252, 22480), (10116, 20560), (10280, 20232), (11240, 18504), (11565, 17984), (12336, 16860), (12645, 16448), (13488, 15420)]