764454880

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{281}}^1\times {\mathrm{347}}^1$

素因数の和:657

約数の個数: 144

約数和(自身を含む): 2114438256

約数和(自身を除く): 1349983376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 281, 347, 392, 490, 560, 562, 694, 784, 980, 1120, 1124, 1388, 1405, 1568, 1735, 1960, 1967, 2248, 2429, 2776, 2810, 3470, 3920, 3934, 4496, 4858, 5552, 5620, 6940, 7840, 7868, 8992, 9716, 9835, 11104, 11240, 12145, 13769, 13880, 15736, 17003, 19432, 19670, 22480, 24290, 27538, 27760, 31472, 34006, 38864, 39340, 44960, 48580, 55076, 55520, 62944, 68012, 68845, 77728, 78680, 85015, 97160, 97507, 110152, 136024, 137690, 157360, 170030, 194320, 195014, 220304, 272048, 275380, 314720, 340060, 388640, 390028, 440608, 487535, 544096, 550760, 680120, 682549, 780056, 975070, 1101520, 1360240, 1365098, 1560112, 1950140, 2203040, 2720480, 2730196, 3120224, 3412745, 3900280, 4777843, 5460392, 6825490, 7800560, 9555686, 10920784, 13650980, 15601120, 19111372, 21841568, 23889215, 27301960, 38222744, 47778430, 54603920, 76445488, 95556860, 109207840, 152890976, 191113720, 382227440, 764454880]

約数ペア:

[(1, 764454880), (2, 382227440), (4, 191113720), (5, 152890976), (7, 109207840), (8, 95556860), (10, 76445488), (14, 54603920), (16, 47778430), (20, 38222744), (28, 27301960), (32, 23889215), (35, 21841568), (40, 19111372), (49, 15601120), (56, 13650980), (70, 10920784), (80, 9555686), (98, 7800560), (112, 6825490), (140, 5460392), (160, 4777843), (196, 3900280), (224, 3412745), (245, 3120224), (280, 2730196), (281, 2720480), (347, 2203040), (392, 1950140), (490, 1560112), (560, 1365098), (562, 1360240), (694, 1101520), (784, 975070), (980, 780056), (1120, 682549), (1124, 680120), (1388, 550760), (1405, 544096), (1568, 487535), (1735, 440608), (1960, 390028), (1967, 388640), (2248, 340060), (2429, 314720), (2776, 275380), (2810, 272048), (3470, 220304), (3920, 195014), (3934, 194320), (4496, 170030), (4858, 157360), (5552, 137690), (5620, 136024), (6940, 110152), (7840, 97507), (7868, 97160), (8992, 85015), (9716, 78680), (9835, 77728), (11104, 68845), (11240, 68012), (12145, 62944), (13769, 55520), (13880, 55076), (15736, 48580), (17003, 44960), (19432, 39340), (19670, 38864), (22480, 34006), (24290, 31472), (27538, 27760)]