About the Number

131385780

131385779 ← → 131385781

2進数表記:111110101001100100110110100

漢数字表記:一億三千百三十八万五千七百八十

素因数分解:

2 2 × 3 3 × 5 1 × 467 1 × 521 1

素因数の和:1006
約数の個数: 96
約数和(自身を含む): 410417280
約数和(自身を除く): 279031500

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 467, 521, 540, 934, 1042, 1401, 1563, 1868, 2084, 2335, 2605, 2802, 3126, 4203, 4670, 4689, 5210, 5604, 6252, 7005, 7815, 8406, 9340, 9378, 10420, 12609, 14010, 14067, 15630, 16812, 18756, 21015, 23445, 25218, 28020, 28134, 31260, 42030, 46890, 50436, 56268, 63045, 70335, 84060, 93780, 126090, 140670, 243307, 252180, 281340, 486614, 729921, 973228, 1216535, 1459842, 2189763, 2433070, 2919684, 3649605, 4379526, 4866140, 6569289, 7299210, 8759052, 10948815, 13138578, 14598420, 21897630, 26277156, 32846445, 43795260, 65692890, 131385780]

約数ペア:
[(1, 131385780), (2, 65692890), (3, 43795260), (4, 32846445), (5, 26277156), (6, 21897630), (9, 14598420), (10, 13138578), (12, 10948815), (15, 8759052), (18, 7299210), (20, 6569289), (27, 4866140), (30, 4379526), (36, 3649605), (45, 2919684), (54, 2433070), (60, 2189763), (90, 1459842), (108, 1216535), (135, 973228), (180, 729921), (270, 486614), (467, 281340), (521, 252180), (540, 243307), (934, 140670), (1042, 126090), (1401, 93780), (1563, 84060), (1868, 70335), (2084, 63045), (2335, 56268), (2605, 50436), (2802, 46890), (3126, 42030), (4203, 31260), (4670, 28134), (4689, 28020), (5210, 25218), (5604, 23445), (6252, 21015), (7005, 18756), (7815, 16812), (8406, 15630), (9340, 14067), (9378, 14010), (10420, 12609)]

このpageの処理時間: 0.36816978454589844 seconds