398861280

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{727}}^1$

素因数の和:878

約数の個数: 192

約数和(自身を含む): 1408942080

約数和(自身を除く): 1010080800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 127, 135, 144, 160, 180, 216, 240, 254, 270, 288, 360, 381, 432, 480, 508, 540, 635, 720, 727, 762, 864, 1016, 1080, 1143, 1270, 1440, 1454, 1524, 1905, 2032, 2160, 2181, 2286, 2540, 2908, 3048, 3429, 3635, 3810, 4064, 4320, 4362, 4572, 5080, 5715, 5816, 6096, 6543, 6858, 7270, 7620, 8724, 9144, 10160, 10905, 11430, 11632, 12192, 13086, 13716, 14540, 15240, 17145, 17448, 18288, 19629, 20320, 21810, 22860, 23264, 26172, 27432, 29080, 30480, 32715, 34290, 34896, 36576, 39258, 43620, 45720, 52344, 54864, 58160, 60960, 65430, 68580, 69792, 78516, 87240, 91440, 92329, 98145, 104688, 109728, 116320, 130860, 137160, 157032, 174480, 182880, 184658, 196290, 209376, 261720, 274320, 276987, 314064, 348960, 369316, 392580, 461645, 523440, 548640, 553974, 628128, 738632, 785160, 830961, 923290, 1046880, 1107948, 1384935, 1477264, 1570320, 1661922, 1846580, 2215896, 2492883, 2769870, 2954528, 3140640, 3323844, 3693160, 4154805, 4431792, 4985766, 5539740, 6647688, 7386320, 8309610, 8863584, 9971532, 11079480, 12464415, 13295376, 14772640, 16619220, 19943064, 22158960, 24928830, 26590752, 33238440, 39886128, 44317920, 49857660, 66476880, 79772256, 99715320, 132953760, 199430640, 398861280]

約数ペア:

[(1, 398861280), (2, 199430640), (3, 132953760), (4, 99715320), (5, 79772256), (6, 66476880), (8, 49857660), (9, 44317920), (10, 39886128), (12, 33238440), (15, 26590752), (16, 24928830), (18, 22158960), (20, 19943064), (24, 16619220), (27, 14772640), (30, 13295376), (32, 12464415), (36, 11079480), (40, 9971532), (45, 8863584), (48, 8309610), (54, 7386320), (60, 6647688), (72, 5539740), (80, 4985766), (90, 4431792), (96, 4154805), (108, 3693160), (120, 3323844), (127, 3140640), (135, 2954528), (144, 2769870), (160, 2492883), (180, 2215896), (216, 1846580), (240, 1661922), (254, 1570320), (270, 1477264), (288, 1384935), (360, 1107948), (381, 1046880), (432, 923290), (480, 830961), (508, 785160), (540, 738632), (635, 628128), (720, 553974), (727, 548640), (762, 523440), (864, 461645), (1016, 392580), (1080, 369316), (1143, 348960), (1270, 314064), (1440, 276987), (1454, 274320), (1524, 261720), (1905, 209376), (2032, 196290), (2160, 184658), (2181, 182880), (2286, 174480), (2540, 157032), (2908, 137160), (3048, 130860), (3429, 116320), (3635, 109728), (3810, 104688), (4064, 98145), (4320, 92329), (4362, 91440), (4572, 87240), (5080, 78516), (5715, 69792), (5816, 68580), (6096, 65430), (6543, 60960), (6858, 58160), (7270, 54864), (7620, 52344), (8724, 45720), (9144, 43620), (10160, 39258), (10905, 36576), (11430, 34896), (11632, 34290), (12192, 32715), (13086, 30480), (13716, 29080), (14540, 27432), (15240, 26172), (17145, 23264), (17448, 22860), (18288, 21810), (19629, 20320)]