1977271680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{7517}}^1$

素因数の和:7676

約数の個数: 128

約数和(自身を含む): 6349402080

約数和(自身を除く): 4372130400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 137, 160, 192, 240, 274, 320, 384, 411, 480, 548, 640, 685, 822, 960, 1096, 1370, 1644, 1920, 2055, 2192, 2740, 3288, 4110, 4384, 5480, 6576, 7517, 8220, 8768, 10960, 13152, 15034, 16440, 17536, 21920, 22551, 26304, 30068, 32880, 37585, 43840, 45102, 52608, 60136, 65760, 75170, 87680, 90204, 112755, 120272, 131520, 150340, 180408, 225510, 240544, 263040, 300680, 360816, 451020, 481088, 601360, 721632, 902040, 962176, 1029829, 1202720, 1443264, 1804080, 2059658, 2405440, 2886528, 3089487, 3608160, 4119316, 4810880, 5149145, 6178974, 7216320, 8238632, 10298290, 12357948, 14432640, 15447435, 16477264, 20596580, 24715896, 30894870, 32954528, 41193160, 49431792, 61789740, 65909056, 82386320, 98863584, 123579480, 131818112, 164772640, 197727168, 247158960, 329545280, 395454336, 494317920, 659090560, 988635840, 1977271680]

約数ペア:

[(1, 1977271680), (2, 988635840), (3, 659090560), (4, 494317920), (5, 395454336), (6, 329545280), (8, 247158960), (10, 197727168), (12, 164772640), (15, 131818112), (16, 123579480), (20, 98863584), (24, 82386320), (30, 65909056), (32, 61789740), (40, 49431792), (48, 41193160), (60, 32954528), (64, 30894870), (80, 24715896), (96, 20596580), (120, 16477264), (128, 15447435), (137, 14432640), (160, 12357948), (192, 10298290), (240, 8238632), (274, 7216320), (320, 6178974), (384, 5149145), (411, 4810880), (480, 4119316), (548, 3608160), (640, 3089487), (685, 2886528), (822, 2405440), (960, 2059658), (1096, 1804080), (1370, 1443264), (1644, 1202720), (1920, 1029829), (2055, 962176), (2192, 902040), (2740, 721632), (3288, 601360), (4110, 481088), (4384, 451020), (5480, 360816), (6576, 300680), (7517, 263040), (8220, 240544), (8768, 225510), (10960, 180408), (13152, 150340), (15034, 131520), (16440, 120272), (17536, 112755), (21920, 90204), (22551, 87680), (26304, 75170), (30068, 65760), (32880, 60136), (37585, 52608), (43840, 45102)]