156949120

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12907}}^1$

素因数の和:12945

約数の個数: 64

約数和(自身を含む): 394984800

約数和(自身を除く): 238035680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2432, 3040, 6080, 12160, 12907, 25814, 51628, 64535, 103256, 129070, 206512, 245233, 258140, 413024, 490466, 516280, 826048, 980932, 1032560, 1226165, 1652096, 1961864, 2065120, 2452330, 3923728, 4130240, 4904660, 7847456, 8260480, 9809320, 15694912, 19618640, 31389824, 39237280, 78474560, 156949120]

約数ペア:

[(1, 156949120), (2, 78474560), (4, 39237280), (5, 31389824), (8, 19618640), (10, 15694912), (16, 9809320), (19, 8260480), (20, 7847456), (32, 4904660), (38, 4130240), (40, 3923728), (64, 2452330), (76, 2065120), (80, 1961864), (95, 1652096), (128, 1226165), (152, 1032560), (160, 980932), (190, 826048), (304, 516280), (320, 490466), (380, 413024), (608, 258140), (640, 245233), (760, 206512), (1216, 129070), (1520, 103256), (2432, 64535), (3040, 51628), (6080, 25814), (12160, 12907)]