71157280

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:386

約数の個数: 96

約数和(自身を含む): 179625600

約数和(自身を除く): 108468320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 89, 95, 152, 160, 178, 190, 263, 304, 356, 380, 445, 526, 608, 712, 760, 890, 1052, 1315, 1424, 1520, 1691, 1780, 2104, 2630, 2848, 3040, 3382, 3560, 4208, 4997, 5260, 6764, 7120, 8416, 8455, 9994, 10520, 13528, 14240, 16910, 19988, 21040, 23407, 24985, 27056, 33820, 39976, 42080, 46814, 49970, 54112, 67640, 79952, 93628, 99940, 117035, 135280, 159904, 187256, 199880, 234070, 270560, 374512, 399760, 444733, 468140, 749024, 799520, 889466, 936280, 1778932, 1872560, 2223665, 3557864, 3745120, 4447330, 7115728, 8894660, 14231456, 17789320, 35578640, 71157280]

約数ペア:

[(1, 71157280), (2, 35578640), (4, 17789320), (5, 14231456), (8, 8894660), (10, 7115728), (16, 4447330), (19, 3745120), (20, 3557864), (32, 2223665), (38, 1872560), (40, 1778932), (76, 936280), (80, 889466), (89, 799520), (95, 749024), (152, 468140), (160, 444733), (178, 399760), (190, 374512), (263, 270560), (304, 234070), (356, 199880), (380, 187256), (445, 159904), (526, 135280), (608, 117035), (712, 99940), (760, 93628), (890, 79952), (1052, 67640), (1315, 54112), (1424, 49970), (1520, 46814), (1691, 42080), (1780, 39976), (2104, 33820), (2630, 27056), (2848, 24985), (3040, 23407), (3382, 21040), (3560, 19988), (4208, 16910), (4997, 14240), (5260, 13528), (6764, 10520), (7120, 9994), (8416, 8455)]