About the Number

1270245840

1270245839 ← → 1270245841

2進数表記:1001011101101100110100111010000

漢数字表記:十二億七千二十四万五千八百四十

素因数分解:

2 4 × 3 1 × 5 1 × 23 1 × 230117 1

素因数の和:230156
約数の個数: 80
約数和(自身を含む): 4108987008
約数和(自身を除く): 2838741168

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 5520, 230117, 460234, 690351, 920468, 1150585, 1380702, 1840936, 2301170, 2761404, 3451755, 3681872, 4602340, 5292691, 5522808, 6903510, 9204680, 10585382, 11045616, 13807020, 15878073, 18409360, 21170764, 26463455, 27614040, 31756146, 42341528, 52926910, 55228080, 63512292, 79390365, 84683056, 105853820, 127024584, 158780730, 211707640, 254049168, 317561460, 423415280, 635122920, 1270245840]

約数ペア:
[(1, 1270245840), (2, 635122920), (3, 423415280), (4, 317561460), (5, 254049168), (6, 211707640), (8, 158780730), (10, 127024584), (12, 105853820), (15, 84683056), (16, 79390365), (20, 63512292), (23, 55228080), (24, 52926910), (30, 42341528), (40, 31756146), (46, 27614040), (48, 26463455), (60, 21170764), (69, 18409360), (80, 15878073), (92, 13807020), (115, 11045616), (120, 10585382), (138, 9204680), (184, 6903510), (230, 5522808), (240, 5292691), (276, 4602340), (345, 3681872), (368, 3451755), (460, 2761404), (552, 2301170), (690, 1840936), (920, 1380702), (1104, 1150585), (1380, 920468), (1840, 690351), (2760, 460234), (5520, 230117)]

このpageの処理時間: 0.011083364486694336 seconds