About the Number

2831280

2831279 ← → 2831281

2進数表記:1010110011001110110000

漢数字表記:二百八十三万千二百八十

素因数分解:

2 4 × 3 1 × 5 1 × 47 1 × 251 1

素因数の和:314
約数の個数: 80
約数和(自身を含む): 8999424
約数和(自身を除く): 6168144

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 47, 48, 60, 80, 94, 120, 141, 188, 235, 240, 251, 282, 376, 470, 502, 564, 705, 752, 753, 940, 1004, 1128, 1255, 1410, 1506, 1880, 2008, 2256, 2510, 2820, 3012, 3760, 3765, 4016, 5020, 5640, 6024, 7530, 10040, 11280, 11797, 12048, 15060, 20080, 23594, 30120, 35391, 47188, 58985, 60240, 70782, 94376, 117970, 141564, 176955, 188752, 235940, 283128, 353910, 471880, 566256, 707820, 943760, 1415640, 2831280]

約数ペア:
[(1, 2831280), (2, 1415640), (3, 943760), (4, 707820), (5, 566256), (6, 471880), (8, 353910), (10, 283128), (12, 235940), (15, 188752), (16, 176955), (20, 141564), (24, 117970), (30, 94376), (40, 70782), (47, 60240), (48, 58985), (60, 47188), (80, 35391), (94, 30120), (120, 23594), (141, 20080), (188, 15060), (235, 12048), (240, 11797), (251, 11280), (282, 10040), (376, 7530), (470, 6024), (502, 5640), (564, 5020), (705, 4016), (752, 3765), (753, 3760), (940, 3012), (1004, 2820), (1128, 2510), (1255, 2256), (1410, 2008), (1506, 1880)]

このpageの処理時間: 0.0050313472747802734 seconds