About the Number
128384480
2進数表記:111101001101111110111100000
漢数字表記:一億二千八百三十八万四千四百八十
素因数分解:
素因数の和:1552
約数の個数: 96
約数和(自身を含む): 351267840
約数和(自身を除く): 222883360
約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 79, 80, 112, 140, 158, 160, 224, 280, 316, 395, 553, 560, 632, 790, 1106, 1120, 1264, 1451, 1580, 2212, 2528, 2765, 2902, 3160, 4424, 5530, 5804, 6320, 7255, 8848, 10157, 11060, 11608, 12640, 14510, 17696, 20314, 22120, 23216, 29020, 40628, 44240, 46432, 50785, 58040, 81256, 88480, 101570, 114629, 116080, 162512, 203140, 229258, 232160, 325024, 406280, 458516, 573145, 802403, 812560, 917032, 1146290, 1604806, 1625120, 1834064, 2292580, 3209612, 3668128, 4012015, 4585160, 6419224, 8024030, 9170320, 12838448, 16048060, 18340640, 25676896, 32096120, 64192240, 128384480]
約数ペア:
[(1, 128384480), (2, 64192240), (4, 32096120), (5, 25676896), (7, 18340640), (8, 16048060), (10, 12838448), (14, 9170320), (16, 8024030), (20, 6419224), (28, 4585160), (32, 4012015), (35, 3668128), (40, 3209612), (56, 2292580), (70, 1834064), (79, 1625120), (80, 1604806), (112, 1146290), (140, 917032), (158, 812560), (160, 802403), (224, 573145), (280, 458516), (316, 406280), (395, 325024), (553, 232160), (560, 229258), (632, 203140), (790, 162512), (1106, 116080), (1120, 114629), (1264, 101570), (1451, 88480), (1580, 81256), (2212, 58040), (2528, 50785), (2765, 46432), (2902, 44240), (3160, 40628), (4424, 29020), (5530, 23216), (5804, 22120), (6320, 20314), (7255, 17696), (8848, 14510), (10157, 12640), (11060, 11608)]このpageの処理時間: 0.006597280502319336 seconds