About the Number

128518992

128518991 ← → 128518993

2進数表記:111101010010000101101010000

漢数字表記:一億二千八百五十一万八千九百九十二

素因数分解:

2 4 × 3 2 × 7 1 × 59 1 × 2161 1

素因数の和:2241
約数の個数: 120
約数和(自身を含む): 418217280
約数和(自身を除く): 289698288

約数列:
[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 59, 63, 72, 84, 112, 118, 126, 144, 168, 177, 236, 252, 336, 354, 413, 472, 504, 531, 708, 826, 944, 1008, 1062, 1239, 1416, 1652, 2124, 2161, 2478, 2832, 3304, 3717, 4248, 4322, 4956, 6483, 6608, 7434, 8496, 8644, 9912, 12966, 14868, 15127, 17288, 19449, 19824, 25932, 29736, 30254, 34576, 38898, 45381, 51864, 59472, 60508, 77796, 90762, 103728, 121016, 127499, 136143, 155592, 181524, 242032, 254998, 272286, 311184, 363048, 382497, 509996, 544572, 726096, 764994, 892493, 1019992, 1089144, 1147491, 1529988, 1784986, 2039984, 2178288, 2294982, 2677479, 3059976, 3569972, 4589964, 5354958, 6119952, 7139944, 8032437, 9179928, 10709916, 14279888, 16064874, 18359856, 21419832, 32129748, 42839664, 64259496, 128518992]

約数ペア:
[(1, 128518992), (2, 64259496), (3, 42839664), (4, 32129748), (6, 21419832), (7, 18359856), (8, 16064874), (9, 14279888), (12, 10709916), (14, 9179928), (16, 8032437), (18, 7139944), (21, 6119952), (24, 5354958), (28, 4589964), (36, 3569972), (42, 3059976), (48, 2677479), (56, 2294982), (59, 2178288), (63, 2039984), (72, 1784986), (84, 1529988), (112, 1147491), (118, 1089144), (126, 1019992), (144, 892493), (168, 764994), (177, 726096), (236, 544572), (252, 509996), (336, 382497), (354, 363048), (413, 311184), (472, 272286), (504, 254998), (531, 242032), (708, 181524), (826, 155592), (944, 136143), (1008, 127499), (1062, 121016), (1239, 103728), (1416, 90762), (1652, 77796), (2124, 60508), (2161, 59472), (2478, 51864), (2832, 45381), (3304, 38898), (3717, 34576), (4248, 30254), (4322, 29736), (4956, 25932), (6483, 19824), (6608, 19449), (7434, 17288), (8496, 15127), (8644, 14868), (9912, 12966)]

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