About the Number

51311880

51311879 ← → 51311881

2進数表記:11000011101111010100001000

漢数字表記:五千百三十一万千八百八十

素因数分解:

2 3 × 3 5 × 5 1 × 5279 1

素因数の和:5305
約数の個数: 96
約数和(自身を含む): 172972800
約数和(自身を除く): 121660920

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 810, 972, 1080, 1215, 1620, 1944, 2430, 3240, 4860, 5279, 9720, 10558, 15837, 21116, 26395, 31674, 42232, 47511, 52790, 63348, 79185, 95022, 105580, 126696, 142533, 158370, 190044, 211160, 237555, 285066, 316740, 380088, 427599, 475110, 570132, 633480, 712665, 855198, 950220, 1140264, 1282797, 1425330, 1710396, 1900440, 2137995, 2565594, 2850660, 3420792, 4275990, 5131188, 5701320, 6413985, 8551980, 10262376, 12827970, 17103960, 25655940, 51311880]

約数ペア:
[(1, 51311880), (2, 25655940), (3, 17103960), (4, 12827970), (5, 10262376), (6, 8551980), (8, 6413985), (9, 5701320), (10, 5131188), (12, 4275990), (15, 3420792), (18, 2850660), (20, 2565594), (24, 2137995), (27, 1900440), (30, 1710396), (36, 1425330), (40, 1282797), (45, 1140264), (54, 950220), (60, 855198), (72, 712665), (81, 633480), (90, 570132), (108, 475110), (120, 427599), (135, 380088), (162, 316740), (180, 285066), (216, 237555), (243, 211160), (270, 190044), (324, 158370), (360, 142533), (405, 126696), (486, 105580), (540, 95022), (648, 79185), (810, 63348), (972, 52790), (1080, 47511), (1215, 42232), (1620, 31674), (1944, 26395), (2430, 21116), (3240, 15837), (4860, 10558), (5279, 9720)]

このpageの処理時間: 0.004854679107666016 seconds