About the Number

81883872

81883871 ← → 81883873

2進数表記:100111000010111001011100000

漢数字表記:八千百八十八万三千八百七十二

素因数分解:

2 5 × 3 4 × 7 1 × 4513 1

素因数の和:4542
約数の個数: 120
約数和(自身を含む): 275281776
約数和(自身を除く): 193397904

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, 72, 81, 84, 96, 108, 112, 126, 144, 162, 168, 189, 216, 224, 252, 288, 324, 336, 378, 432, 504, 567, 648, 672, 756, 864, 1008, 1134, 1296, 1512, 2016, 2268, 2592, 3024, 4513, 4536, 6048, 9026, 9072, 13539, 18052, 18144, 27078, 31591, 36104, 40617, 54156, 63182, 72208, 81234, 94773, 108312, 121851, 126364, 144416, 162468, 189546, 216624, 243702, 252728, 284319, 324936, 365553, 379092, 433248, 487404, 505456, 568638, 649872, 731106, 758184, 852957, 974808, 1010912, 1137276, 1299744, 1462212, 1516368, 1705914, 1949616, 2274552, 2558871, 2924424, 3032736, 3411828, 3899232, 4549104, 5117742, 5848848, 6823656, 9098208, 10235484, 11697696, 13647312, 20470968, 27294624, 40941936, 81883872]

約数ペア:
[(1, 81883872), (2, 40941936), (3, 27294624), (4, 20470968), (6, 13647312), (7, 11697696), (8, 10235484), (9, 9098208), (12, 6823656), (14, 5848848), (16, 5117742), (18, 4549104), (21, 3899232), (24, 3411828), (27, 3032736), (28, 2924424), (32, 2558871), (36, 2274552), (42, 1949616), (48, 1705914), (54, 1516368), (56, 1462212), (63, 1299744), (72, 1137276), (81, 1010912), (84, 974808), (96, 852957), (108, 758184), (112, 731106), (126, 649872), (144, 568638), (162, 505456), (168, 487404), (189, 433248), (216, 379092), (224, 365553), (252, 324936), (288, 284319), (324, 252728), (336, 243702), (378, 216624), (432, 189546), (504, 162468), (567, 144416), (648, 126364), (672, 121851), (756, 108312), (864, 94773), (1008, 81234), (1134, 72208), (1296, 63182), (1512, 54156), (2016, 40617), (2268, 36104), (2592, 31591), (3024, 27078), (4513, 18144), (4536, 18052), (6048, 13539), (9026, 9072)]

このpageの処理時間: 0.010426759719848633 seconds