About the Number

128989872

128989871 ← → 128989873

2進数表記:111101100000011101010110000

漢数字表記:一億二千八百九十八万九千八百七十二

素因数分解:

2 4 × 3 2 × 11 3 × 673 1

素因数の和:720
約数の個数: 120
約数和(自身を含む): 397654608
約数和(自身を除く): 268664736

約数列:
[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 121, 132, 144, 176, 198, 242, 264, 363, 396, 484, 528, 673, 726, 792, 968, 1089, 1331, 1346, 1452, 1584, 1936, 2019, 2178, 2662, 2692, 2904, 3993, 4038, 4356, 5324, 5384, 5808, 6057, 7403, 7986, 8076, 8712, 10648, 10768, 11979, 12114, 14806, 15972, 16152, 17424, 21296, 22209, 23958, 24228, 29612, 31944, 32304, 44418, 47916, 48456, 59224, 63888, 66627, 81433, 88836, 95832, 96912, 118448, 133254, 162866, 177672, 191664, 244299, 266508, 325732, 355344, 488598, 533016, 651464, 732897, 895763, 977196, 1066032, 1302928, 1465794, 1791526, 1954392, 2687289, 2931588, 3583052, 3908784, 5374578, 5863176, 7166104, 8061867, 10749156, 11726352, 14332208, 16123734, 21498312, 32247468, 42996624, 64494936, 128989872]

約数ペア:
[(1, 128989872), (2, 64494936), (3, 42996624), (4, 32247468), (6, 21498312), (8, 16123734), (9, 14332208), (11, 11726352), (12, 10749156), (16, 8061867), (18, 7166104), (22, 5863176), (24, 5374578), (33, 3908784), (36, 3583052), (44, 2931588), (48, 2687289), (66, 1954392), (72, 1791526), (88, 1465794), (99, 1302928), (121, 1066032), (132, 977196), (144, 895763), (176, 732897), (198, 651464), (242, 533016), (264, 488598), (363, 355344), (396, 325732), (484, 266508), (528, 244299), (673, 191664), (726, 177672), (792, 162866), (968, 133254), (1089, 118448), (1331, 96912), (1346, 95832), (1452, 88836), (1584, 81433), (1936, 66627), (2019, 63888), (2178, 59224), (2662, 48456), (2692, 47916), (2904, 44418), (3993, 32304), (4038, 31944), (4356, 29612), (5324, 24228), (5384, 23958), (5808, 22209), (6057, 21296), (7403, 17424), (7986, 16152), (8076, 15972), (8712, 14806), (10648, 12114), (10768, 11979)]

このpageの処理時間: 0.10430145263671875 seconds