78474560

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12907}}^1$

素因数の和:12943

約数の個数: 56

約数和(自身を含む): 196717920

約数和(自身を除く): 118243360

約数列:

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

約数ペア:

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