About the Number

81684288

81684287 ← → 81684289

2進数表記:100110111100110011101000000

漢数字表記:八千百六十八万四千二百八十八

素因数分解:

2 6 × 3 4 × 7 1 × 2251 1

素因数の和:2282
約数の個数: 140
約数和(自身を含む): 276851872
約数和(自身を除く): 195167584

約数列:
[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 81, 84, 96, 108, 112, 126, 144, 162, 168, 189, 192, 216, 224, 252, 288, 324, 336, 378, 432, 448, 504, 567, 576, 648, 672, 756, 864, 1008, 1134, 1296, 1344, 1512, 1728, 2016, 2251, 2268, 2592, 3024, 4032, 4502, 4536, 5184, 6048, 6753, 9004, 9072, 12096, 13506, 15757, 18008, 18144, 20259, 27012, 31514, 36016, 36288, 40518, 47271, 54024, 60777, 63028, 72032, 81036, 94542, 108048, 121554, 126056, 141813, 144064, 162072, 182331, 189084, 216096, 243108, 252112, 283626, 324144, 364662, 378168, 425439, 432192, 486216, 504224, 567252, 648288, 729324, 756336, 850878, 972432, 1008448, 1134504, 1276317, 1296576, 1458648, 1512672, 1701756, 1944864, 2269008, 2552634, 2917296, 3025344, 3403512, 3889728, 4538016, 5105268, 5834592, 6807024, 9076032, 10210536, 11669184, 13614048, 20421072, 27228096, 40842144, 81684288]

約数ペア:
[(1, 81684288), (2, 40842144), (3, 27228096), (4, 20421072), (6, 13614048), (7, 11669184), (8, 10210536), (9, 9076032), (12, 6807024), (14, 5834592), (16, 5105268), (18, 4538016), (21, 3889728), (24, 3403512), (27, 3025344), (28, 2917296), (32, 2552634), (36, 2269008), (42, 1944864), (48, 1701756), (54, 1512672), (56, 1458648), (63, 1296576), (64, 1276317), (72, 1134504), (81, 1008448), (84, 972432), (96, 850878), (108, 756336), (112, 729324), (126, 648288), (144, 567252), (162, 504224), (168, 486216), (189, 432192), (192, 425439), (216, 378168), (224, 364662), (252, 324144), (288, 283626), (324, 252112), (336, 243108), (378, 216096), (432, 189084), (448, 182331), (504, 162072), (567, 144064), (576, 141813), (648, 126056), (672, 121554), (756, 108048), (864, 94542), (1008, 81036), (1134, 72032), (1296, 63028), (1344, 60777), (1512, 54024), (1728, 47271), (2016, 40518), (2251, 36288), (2268, 36016), (2592, 31514), (3024, 27012), (4032, 20259), (4502, 18144), (4536, 18008), (5184, 15757), (6048, 13506), (6753, 12096), (9004, 9072)]

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