80501575

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 96

約数和(自身を含む): 137134080

約数和(自身を除く): 56632505

約数列:

[1, 5, 7, 11, 19, 25, 31, 35, 55, 71, 77, 95, 133, 155, 175, 209, 217, 275, 341, 355, 385, 475, 497, 589, 665, 775, 781, 1045, 1085, 1349, 1463, 1705, 1775, 1925, 2201, 2387, 2485, 2945, 3325, 3905, 4123, 5225, 5425, 5467, 6479, 6745, 7315, 8525, 9443, 11005, 11935, 12425, 14725, 14839, 15407, 19525, 20615, 24211, 27335, 32395, 33725, 36575, 41819, 45353, 47215, 55025, 59675, 74195, 77035, 103075, 103873, 121055, 136675, 161975, 169477, 209095, 226765, 236075, 292733, 370975, 385175, 460009, 519365, 605275, 847385, 1045475, 1133825, 1463665, 2300045, 2596825, 3220063, 4236925, 7318325, 11500225, 16100315, 80501575]

約数ペア:

[(1, 80501575), (5, 16100315), (7, 11500225), (11, 7318325), (19, 4236925), (25, 3220063), (31, 2596825), (35, 2300045), (55, 1463665), (71, 1133825), (77, 1045475), (95, 847385), (133, 605275), (155, 519365), (175, 460009), (209, 385175), (217, 370975), (275, 292733), (341, 236075), (355, 226765), (385, 209095), (475, 169477), (497, 161975), (589, 136675), (665, 121055), (775, 103873), (781, 103075), (1045, 77035), (1085, 74195), (1349, 59675), (1463, 55025), (1705, 47215), (1775, 45353), (1925, 41819), (2201, 36575), (2387, 33725), (2485, 32395), (2945, 27335), (3325, 24211), (3905, 20615), (4123, 19525), (5225, 15407), (5425, 14839), (5467, 14725), (6479, 12425), (6745, 11935), (7315, 11005), (8525, 9443)]