39978240

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{359}}^1$

素因数の和:412

約数の個数: 144

約数和(自身を含む): 132451200

約数和(自身を除く): 92472960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 64, 80, 87, 96, 116, 120, 128, 145, 160, 174, 192, 232, 240, 256, 290, 320, 348, 359, 384, 435, 464, 480, 580, 640, 696, 718, 768, 870, 928, 960, 1077, 1160, 1280, 1392, 1436, 1740, 1795, 1856, 1920, 2154, 2320, 2784, 2872, 3480, 3590, 3712, 3840, 4308, 4640, 5385, 5568, 5744, 6960, 7180, 7424, 8616, 9280, 10411, 10770, 11136, 11488, 13920, 14360, 17232, 18560, 20822, 21540, 22272, 22976, 27840, 28720, 31233, 34464, 37120, 41644, 43080, 45952, 52055, 55680, 57440, 62466, 68928, 83288, 86160, 91904, 104110, 111360, 114880, 124932, 137856, 156165, 166576, 172320, 208220, 229760, 249864, 275712, 312330, 333152, 344640, 416440, 459520, 499728, 624660, 666304, 689280, 832880, 999456, 1249320, 1332608, 1378560, 1665760, 1998912, 2498640, 2665216, 3331520, 3997824, 4997280, 6663040, 7995648, 9994560, 13326080, 19989120, 39978240]

約数ペア:

[(1, 39978240), (2, 19989120), (3, 13326080), (4, 9994560), (5, 7995648), (6, 6663040), (8, 4997280), (10, 3997824), (12, 3331520), (15, 2665216), (16, 2498640), (20, 1998912), (24, 1665760), (29, 1378560), (30, 1332608), (32, 1249320), (40, 999456), (48, 832880), (58, 689280), (60, 666304), (64, 624660), (80, 499728), (87, 459520), (96, 416440), (116, 344640), (120, 333152), (128, 312330), (145, 275712), (160, 249864), (174, 229760), (192, 208220), (232, 172320), (240, 166576), (256, 156165), (290, 137856), (320, 124932), (348, 114880), (359, 111360), (384, 104110), (435, 91904), (464, 86160), (480, 83288), (580, 68928), (640, 62466), (696, 57440), (718, 55680), (768, 52055), (870, 45952), (928, 43080), (960, 41644), (1077, 37120), (1160, 34464), (1280, 31233), (1392, 28720), (1436, 27840), (1740, 22976), (1795, 22272), (1856, 21540), (1920, 20822), (2154, 18560), (2320, 17232), (2784, 14360), (2872, 13920), (3480, 11488), (3590, 11136), (3712, 10770), (3840, 10411), (4308, 9280), (4640, 8616), (5385, 7424), (5568, 7180), (5744, 6960)]