648280320

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2137}}^1$

素因数の和:2240

約数の個数: 144

約数和(自身を含む): 2097634560

約数和(自身を除く): 1449354240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 79, 80, 96, 120, 128, 158, 160, 192, 237, 240, 256, 316, 320, 384, 395, 474, 480, 632, 640, 768, 790, 948, 960, 1185, 1264, 1280, 1580, 1896, 1920, 2137, 2370, 2528, 3160, 3792, 3840, 4274, 4740, 5056, 6320, 6411, 7584, 8548, 9480, 10112, 10685, 12640, 12822, 15168, 17096, 18960, 20224, 21370, 25280, 25644, 30336, 32055, 34192, 37920, 42740, 50560, 51288, 60672, 64110, 68384, 75840, 85480, 101120, 102576, 128220, 136768, 151680, 168823, 170960, 205152, 256440, 273536, 303360, 337646, 341920, 410304, 506469, 512880, 547072, 675292, 683840, 820608, 844115, 1012938, 1025760, 1350584, 1367680, 1641216, 1688230, 2025876, 2051520, 2532345, 2701168, 2735360, 3376460, 4051752, 4103040, 5064690, 5402336, 6752920, 8103504, 8206080, 10129380, 10804672, 13505840, 16207008, 20258760, 21609344, 27011680, 32414016, 40517520, 43218688, 54023360, 64828032, 81035040, 108046720, 129656064, 162070080, 216093440, 324140160, 648280320]

約数ペア:

[(1, 648280320), (2, 324140160), (3, 216093440), (4, 162070080), (5, 129656064), (6, 108046720), (8, 81035040), (10, 64828032), (12, 54023360), (15, 43218688), (16, 40517520), (20, 32414016), (24, 27011680), (30, 21609344), (32, 20258760), (40, 16207008), (48, 13505840), (60, 10804672), (64, 10129380), (79, 8206080), (80, 8103504), (96, 6752920), (120, 5402336), (128, 5064690), (158, 4103040), (160, 4051752), (192, 3376460), (237, 2735360), (240, 2701168), (256, 2532345), (316, 2051520), (320, 2025876), (384, 1688230), (395, 1641216), (474, 1367680), (480, 1350584), (632, 1025760), (640, 1012938), (768, 844115), (790, 820608), (948, 683840), (960, 675292), (1185, 547072), (1264, 512880), (1280, 506469), (1580, 410304), (1896, 341920), (1920, 337646), (2137, 303360), (2370, 273536), (2528, 256440), (3160, 205152), (3792, 170960), (3840, 168823), (4274, 151680), (4740, 136768), (5056, 128220), (6320, 102576), (6411, 101120), (7584, 85480), (8548, 75840), (9480, 68384), (10112, 64110), (10685, 60672), (12640, 51288), (12822, 50560), (15168, 42740), (17096, 37920), (18960, 34192), (20224, 32055), (21370, 30336), (25280, 25644)]