About the Number

2688406720

2688406719 ← → 2688406721

2進数表記:10100000001111011101010011000000

漢数字表記:二十六億八千八百四十万六千七百二十

素因数分解:

2 6 × 5 1 × 29 1 × 271 1 × 1069 1

素因数の和:1386
約数の個数: 112
約数和(自身を含む): 6653174400
約数和(自身を除く): 3964767680

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 145, 160, 232, 271, 290, 320, 464, 542, 580, 928, 1069, 1084, 1160, 1355, 1856, 2138, 2168, 2320, 2710, 4276, 4336, 4640, 5345, 5420, 7859, 8552, 8672, 9280, 10690, 10840, 15718, 17104, 17344, 21380, 21680, 31001, 31436, 34208, 39295, 42760, 43360, 62002, 62872, 68416, 78590, 85520, 86720, 124004, 125744, 155005, 157180, 171040, 248008, 251488, 289699, 310010, 314360, 342080, 496016, 502976, 579398, 620020, 628720, 992032, 1158796, 1240040, 1257440, 1448495, 1984064, 2317592, 2480080, 2514880, 2896990, 4635184, 4960160, 5793980, 8401271, 9270368, 9920320, 11587960, 16802542, 18540736, 23175920, 33605084, 42006355, 46351840, 67210168, 84012710, 92703680, 134420336, 168025420, 268840672, 336050840, 537681344, 672101680, 1344203360, 2688406720]

約数ペア:
[(1, 2688406720), (2, 1344203360), (4, 672101680), (5, 537681344), (8, 336050840), (10, 268840672), (16, 168025420), (20, 134420336), (29, 92703680), (32, 84012710), (40, 67210168), (58, 46351840), (64, 42006355), (80, 33605084), (116, 23175920), (145, 18540736), (160, 16802542), (232, 11587960), (271, 9920320), (290, 9270368), (320, 8401271), (464, 5793980), (542, 4960160), (580, 4635184), (928, 2896990), (1069, 2514880), (1084, 2480080), (1160, 2317592), (1355, 1984064), (1856, 1448495), (2138, 1257440), (2168, 1240040), (2320, 1158796), (2710, 992032), (4276, 628720), (4336, 620020), (4640, 579398), (5345, 502976), (5420, 496016), (7859, 342080), (8552, 314360), (8672, 310010), (9280, 289699), (10690, 251488), (10840, 248008), (15718, 171040), (17104, 157180), (17344, 155005), (21380, 125744), (21680, 124004), (31001, 86720), (31436, 85520), (34208, 78590), (39295, 68416), (42760, 62872), (43360, 62002)]

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