About the Number

127680280

127680279 ← → 127680281

2進数表記:111100111000011111100011000

漢数字表記:一億二千七百六十八万二百八十

素因数分解:

2 3 × 5 1 × 7 2 × 13 1 × 5011 1

素因数の和:5049
約数の個数: 96
約数和(自身を含む): 359961840
約数和(自身を除く): 232281560

約数列:
[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 364, 392, 455, 490, 520, 637, 728, 910, 980, 1274, 1820, 1960, 2548, 3185, 3640, 5011, 5096, 6370, 10022, 12740, 20044, 25055, 25480, 35077, 40088, 50110, 65143, 70154, 100220, 130286, 140308, 175385, 200440, 245539, 260572, 280616, 325715, 350770, 456001, 491078, 521144, 651430, 701540, 912002, 982156, 1227695, 1302860, 1403080, 1824004, 1964312, 2280005, 2455390, 2605720, 3192007, 3648008, 4560010, 4910780, 6384014, 9120020, 9821560, 12768028, 15960035, 18240040, 25536056, 31920070, 63840140, 127680280]

約数ペア:
[(1, 127680280), (2, 63840140), (4, 31920070), (5, 25536056), (7, 18240040), (8, 15960035), (10, 12768028), (13, 9821560), (14, 9120020), (20, 6384014), (26, 4910780), (28, 4560010), (35, 3648008), (40, 3192007), (49, 2605720), (52, 2455390), (56, 2280005), (65, 1964312), (70, 1824004), (91, 1403080), (98, 1302860), (104, 1227695), (130, 982156), (140, 912002), (182, 701540), (196, 651430), (245, 521144), (260, 491078), (280, 456001), (364, 350770), (392, 325715), (455, 280616), (490, 260572), (520, 245539), (637, 200440), (728, 175385), (910, 140308), (980, 130286), (1274, 100220), (1820, 70154), (1960, 65143), (2548, 50110), (3185, 40088), (3640, 35077), (5011, 25480), (5096, 25055), (6370, 20044), (10022, 12740)]

このpageの処理時間: 0.009263992309570312 seconds