About the Number

81002880

81002879 ← → 81002881

2進数表記:100110101000000000110000000

漢数字表記:八千百万二千八百八十

素因数分解:

2 7 × 3 2 × 5 1 × 7 3 × 41 1

素因数の和:87
約数の個数: 384
約数和(自身を含む): 334152000
約数和(自身を除く): 253149120

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 41, 42, 45, 48, 49, 56, 60, 63, 64, 70, 72, 80, 82, 84, 90, 96, 98, 105, 112, 120, 123, 126, 128, 140, 144, 147, 160, 164, 168, 180, 192, 196, 205, 210, 224, 240, 245, 246, 252, 280, 287, 288, 294, 315, 320, 328, 336, 343, 360, 369, 384, 392, 410, 420, 441, 448, 480, 490, 492, 504, 560, 574, 576, 588, 615, 630, 640, 656, 672, 686, 720, 735, 738, 784, 820, 840, 861, 882, 896, 960, 980, 984, 1008, 1029, 1120, 1148, 1152, 1176, 1230, 1260, 1312, 1344, 1372, 1435, 1440, 1470, 1476, 1568, 1640, 1680, 1715, 1722, 1764, 1845, 1920, 1960, 1968, 2009, 2016, 2058, 2205, 2240, 2296, 2352, 2460, 2520, 2583, 2624, 2688, 2744, 2870, 2880, 2940, 2952, 3087, 3136, 3280, 3360, 3430, 3444, 3528, 3690, 3920, 3936, 4018, 4032, 4116, 4305, 4410, 4480, 4592, 4704, 4920, 5040, 5145, 5166, 5248, 5488, 5740, 5760, 5880, 5904, 6027, 6174, 6272, 6560, 6720, 6860, 6888, 7056, 7380, 7840, 7872, 8036, 8064, 8232, 8610, 8820, 9184, 9408, 9840, 10045, 10080, 10290, 10332, 10976, 11480, 11760, 11808, 12054, 12348, 12915, 13120, 13440, 13720, 13776, 14063, 14112, 14760, 15435, 15680, 15744, 16072, 16464, 17220, 17640, 18081, 18368, 18816, 19680, 20090, 20160, 20580, 20664, 21952, 22960, 23520, 23616, 24108, 24696, 25830, 26240, 27440, 27552, 28126, 28224, 29520, 30135, 30870, 31360, 32144, 32928, 34440, 35280, 36162, 36736, 39360, 40180, 40320, 41160, 41328, 42189, 43904, 45920, 47040, 47232, 48216, 49392, 51660, 54880, 55104, 56252, 56448, 59040, 60270, 61740, 64288, 65856, 68880, 70315, 70560, 72324, 78720, 80360, 82320, 82656, 84378, 90405, 91840, 94080, 96432, 98784, 103320, 109760, 110208, 112504, 118080, 120540, 123480, 126567, 128576, 131712, 137760, 140630, 141120, 144648, 160720, 164640, 165312, 168756, 180810, 183680, 192864, 197568, 206640, 210945, 219520, 225008, 236160, 241080, 246960, 253134, 257152, 275520, 281260, 282240, 289296, 321440, 329280, 330624, 337512, 361620, 385728, 395136, 413280, 421890, 450016, 482160, 493920, 506268, 551040, 562520, 578592, 632835, 642880, 658560, 675024, 723240, 771456, 826560, 843780, 900032, 964320, 987840, 1012536, 1125040, 1157184, 1265670, 1285760, 1350048, 1446480, 1653120, 1687560, 1800064, 1928640, 1975680, 2025072, 2250080, 2314368, 2531340, 2700096, 2892960, 3375120, 3857280, 4050144, 4500160, 5062680, 5400192, 5785920, 6750240, 8100288, 9000320, 10125360, 11571840, 13500480, 16200576, 20250720, 27000960, 40501440, 81002880]

約数ペア:
[(1, 81002880), (2, 40501440), (3, 27000960), (4, 20250720), (5, 16200576), (6, 13500480), (7, 11571840), (8, 10125360), (9, 9000320), (10, 8100288), (12, 6750240), (14, 5785920), (15, 5400192), (16, 5062680), (18, 4500160), (20, 4050144), (21, 3857280), (24, 3375120), (28, 2892960), (30, 2700096), (32, 2531340), (35, 2314368), (36, 2250080), (40, 2025072), (41, 1975680), (42, 1928640), (45, 1800064), (48, 1687560), (49, 1653120), (56, 1446480), (60, 1350048), (63, 1285760), (64, 1265670), (70, 1157184), (72, 1125040), (80, 1012536), (82, 987840), (84, 964320), (90, 900032), (96, 843780), (98, 826560), (105, 771456), (112, 723240), (120, 675024), (123, 658560), (126, 642880), (128, 632835), (140, 578592), (144, 562520), (147, 551040), (160, 506268), (164, 493920), (168, 482160), (180, 450016), (192, 421890), (196, 413280), (205, 395136), (210, 385728), (224, 361620), (240, 337512), (245, 330624), (246, 329280), (252, 321440), (280, 289296), (287, 282240), (288, 281260), (294, 275520), (315, 257152), (320, 253134), (328, 246960), (336, 241080), (343, 236160), (360, 225008), (369, 219520), (384, 210945), (392, 206640), (410, 197568), (420, 192864), (441, 183680), (448, 180810), (480, 168756), (490, 165312), (492, 164640), (504, 160720), (560, 144648), (574, 141120), (576, 140630), (588, 137760), (615, 131712), (630, 128576), (640, 126567), (656, 123480), (672, 120540), (686, 118080), (720, 112504), (735, 110208), (738, 109760), (784, 103320), (820, 98784), (840, 96432), (861, 94080), (882, 91840), (896, 90405), (960, 84378), (980, 82656), (984, 82320), (1008, 80360), (1029, 78720), (1120, 72324), (1148, 70560), (1152, 70315), (1176, 68880), (1230, 65856), (1260, 64288), (1312, 61740), (1344, 60270), (1372, 59040), (1435, 56448), (1440, 56252), (1470, 55104), (1476, 54880), (1568, 51660), (1640, 49392), (1680, 48216), (1715, 47232), (1722, 47040), (1764, 45920), (1845, 43904), (1920, 42189), (1960, 41328), (1968, 41160), (2009, 40320), (2016, 40180), (2058, 39360), (2205, 36736), (2240, 36162), (2296, 35280), (2352, 34440), (2460, 32928), (2520, 32144), (2583, 31360), (2624, 30870), (2688, 30135), (2744, 29520), (2870, 28224), (2880, 28126), (2940, 27552), (2952, 27440), (3087, 26240), (3136, 25830), (3280, 24696), (3360, 24108), (3430, 23616), (3444, 23520), (3528, 22960), (3690, 21952), (3920, 20664), (3936, 20580), (4018, 20160), (4032, 20090), (4116, 19680), (4305, 18816), (4410, 18368), (4480, 18081), (4592, 17640), (4704, 17220), (4920, 16464), (5040, 16072), (5145, 15744), (5166, 15680), (5248, 15435), (5488, 14760), (5740, 14112), (5760, 14063), (5880, 13776), (5904, 13720), (6027, 13440), (6174, 13120), (6272, 12915), (6560, 12348), (6720, 12054), (6860, 11808), (6888, 11760), (7056, 11480), (7380, 10976), (7840, 10332), (7872, 10290), (8036, 10080), (8064, 10045), (8232, 9840), (8610, 9408), (8820, 9184)]

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