About the Number

2011680

2011679 ← → 2011681

2進数表記:111101011001000100000

漢数字表記:二百一万千六百八十

素因数分解:

2 5 × 3 2 × 5 1 × 11 1 × 127 1

素因数の和:159
約数の個数: 144
約数和(自身を含む): 7547904
約数和(自身を除く): 5536224

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 120, 127, 132, 144, 160, 165, 176, 180, 198, 220, 240, 254, 264, 288, 330, 352, 360, 381, 396, 440, 480, 495, 508, 528, 635, 660, 720, 762, 792, 880, 990, 1016, 1056, 1143, 1270, 1320, 1397, 1440, 1524, 1584, 1760, 1905, 1980, 2032, 2286, 2540, 2640, 2794, 3048, 3168, 3810, 3960, 4064, 4191, 4572, 5080, 5280, 5588, 5715, 6096, 6985, 7620, 7920, 8382, 9144, 10160, 11176, 11430, 12192, 12573, 13970, 15240, 15840, 16764, 18288, 20320, 20955, 22352, 22860, 25146, 27940, 30480, 33528, 36576, 41910, 44704, 45720, 50292, 55880, 60960, 62865, 67056, 83820, 91440, 100584, 111760, 125730, 134112, 167640, 182880, 201168, 223520, 251460, 335280, 402336, 502920, 670560, 1005840, 2011680]

約数ペア:
[(1, 2011680), (2, 1005840), (3, 670560), (4, 502920), (5, 402336), (6, 335280), (8, 251460), (9, 223520), (10, 201168), (11, 182880), (12, 167640), (15, 134112), (16, 125730), (18, 111760), (20, 100584), (22, 91440), (24, 83820), (30, 67056), (32, 62865), (33, 60960), (36, 55880), (40, 50292), (44, 45720), (45, 44704), (48, 41910), (55, 36576), (60, 33528), (66, 30480), (72, 27940), (80, 25146), (88, 22860), (90, 22352), (96, 20955), (99, 20320), (110, 18288), (120, 16764), (127, 15840), (132, 15240), (144, 13970), (160, 12573), (165, 12192), (176, 11430), (180, 11176), (198, 10160), (220, 9144), (240, 8382), (254, 7920), (264, 7620), (288, 6985), (330, 6096), (352, 5715), (360, 5588), (381, 5280), (396, 5080), (440, 4572), (480, 4191), (495, 4064), (508, 3960), (528, 3810), (635, 3168), (660, 3048), (720, 2794), (762, 2640), (792, 2540), (880, 2286), (990, 2032), (1016, 1980), (1056, 1905), (1143, 1760), (1270, 1584), (1320, 1524), (1397, 1440)]

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