77185520

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:318

約数の個数: 80

約数和(自身を含む): 185131008

約数和(自身を除く): 107945488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 107, 127, 142, 214, 254, 284, 355, 428, 508, 535, 568, 635, 710, 856, 1016, 1070, 1136, 1270, 1420, 1712, 2032, 2140, 2540, 2840, 4280, 5080, 5680, 7597, 8560, 9017, 10160, 13589, 15194, 18034, 27178, 30388, 36068, 37985, 45085, 54356, 60776, 67945, 72136, 75970, 90170, 108712, 121552, 135890, 144272, 151940, 180340, 217424, 271780, 303880, 360680, 543560, 607760, 721360, 964819, 1087120, 1929638, 3859276, 4824095, 7718552, 9648190, 15437104, 19296380, 38592760, 77185520]

約数ペア:

[(1, 77185520), (2, 38592760), (4, 19296380), (5, 15437104), (8, 9648190), (10, 7718552), (16, 4824095), (20, 3859276), (40, 1929638), (71, 1087120), (80, 964819), (107, 721360), (127, 607760), (142, 543560), (214, 360680), (254, 303880), (284, 271780), (355, 217424), (428, 180340), (508, 151940), (535, 144272), (568, 135890), (635, 121552), (710, 108712), (856, 90170), (1016, 75970), (1070, 72136), (1136, 67945), (1270, 60776), (1420, 54356), (1712, 45085), (2032, 37985), (2140, 36068), (2540, 30388), (2840, 27178), (4280, 18034), (5080, 15194), (5680, 13589), (7597, 10160), (8560, 9017)]