About the Number

2101688640

2101688639 ← → 2101688641

2進数表記:1111101010001010011100101000000

漢数字表記:二十一億百六十八万八千六百四十

素因数分解:

2 6 × 3 3 × 5 1 × 43 1 × 5657 1

素因数の和:5726
約数の個数: 224
約数和(自身を含む): 7588056960
約数和(自身を除く): 5486368320

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 43, 45, 48, 54, 60, 64, 72, 80, 86, 90, 96, 108, 120, 129, 135, 144, 160, 172, 180, 192, 215, 216, 240, 258, 270, 288, 320, 344, 360, 387, 430, 432, 480, 516, 540, 576, 645, 688, 720, 774, 860, 864, 960, 1032, 1080, 1161, 1290, 1376, 1440, 1548, 1720, 1728, 1935, 2064, 2160, 2322, 2580, 2752, 2880, 3096, 3440, 3870, 4128, 4320, 4644, 5160, 5657, 5805, 6192, 6880, 7740, 8256, 8640, 9288, 10320, 11314, 11610, 12384, 13760, 15480, 16971, 18576, 20640, 22628, 23220, 24768, 28285, 30960, 33942, 37152, 41280, 45256, 46440, 50913, 56570, 61920, 67884, 74304, 84855, 90512, 92880, 101826, 113140, 123840, 135768, 152739, 169710, 181024, 185760, 203652, 226280, 243251, 254565, 271536, 305478, 339420, 362048, 371520, 407304, 452560, 486502, 509130, 543072, 610956, 678840, 729753, 763695, 814608, 905120, 973004, 1018260, 1086144, 1216255, 1221912, 1357680, 1459506, 1527390, 1629216, 1810240, 1946008, 2036520, 2189259, 2432510, 2443824, 2715360, 2919012, 3054780, 3258432, 3648765, 3892016, 4073040, 4378518, 4865020, 4887648, 5430720, 5838024, 6109560, 6567777, 7297530, 7784032, 8146080, 8757036, 9730040, 9775296, 10946295, 11676048, 12219120, 13135554, 14595060, 15568064, 16292160, 17514072, 19460080, 21892590, 23352096, 24438240, 26271108, 29190120, 32838885, 35028144, 38920160, 43785180, 46704192, 48876480, 52542216, 58380240, 65677770, 70056288, 77840320, 87570360, 105084432, 116760480, 131355540, 140112576, 175140720, 210168864, 233520960, 262711080, 350281440, 420337728, 525422160, 700562880, 1050844320, 2101688640]

約数ペア:
[(1, 2101688640), (2, 1050844320), (3, 700562880), (4, 525422160), (5, 420337728), (6, 350281440), (8, 262711080), (9, 233520960), (10, 210168864), (12, 175140720), (15, 140112576), (16, 131355540), (18, 116760480), (20, 105084432), (24, 87570360), (27, 77840320), (30, 70056288), (32, 65677770), (36, 58380240), (40, 52542216), (43, 48876480), (45, 46704192), (48, 43785180), (54, 38920160), (60, 35028144), (64, 32838885), (72, 29190120), (80, 26271108), (86, 24438240), (90, 23352096), (96, 21892590), (108, 19460080), (120, 17514072), (129, 16292160), (135, 15568064), (144, 14595060), (160, 13135554), (172, 12219120), (180, 11676048), (192, 10946295), (215, 9775296), (216, 9730040), (240, 8757036), (258, 8146080), (270, 7784032), (288, 7297530), (320, 6567777), (344, 6109560), (360, 5838024), (387, 5430720), (430, 4887648), (432, 4865020), (480, 4378518), (516, 4073040), (540, 3892016), (576, 3648765), (645, 3258432), (688, 3054780), (720, 2919012), (774, 2715360), (860, 2443824), (864, 2432510), (960, 2189259), (1032, 2036520), (1080, 1946008), (1161, 1810240), (1290, 1629216), (1376, 1527390), (1440, 1459506), (1548, 1357680), (1720, 1221912), (1728, 1216255), (1935, 1086144), (2064, 1018260), (2160, 973004), (2322, 905120), (2580, 814608), (2752, 763695), (2880, 729753), (3096, 678840), (3440, 610956), (3870, 543072), (4128, 509130), (4320, 486502), (4644, 452560), (5160, 407304), (5657, 371520), (5805, 362048), (6192, 339420), (6880, 305478), (7740, 271536), (8256, 254565), (8640, 243251), (9288, 226280), (10320, 203652), (11314, 185760), (11610, 181024), (12384, 169710), (13760, 152739), (15480, 135768), (16971, 123840), (18576, 113140), (20640, 101826), (22628, 92880), (23220, 90512), (24768, 84855), (28285, 74304), (30960, 67884), (33942, 61920), (37152, 56570), (41280, 50913), (45256, 46440)]

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