81051960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61403}}^1$

素因数の和:61428

約数の個数: 64

約数和(自身を含む): 265265280

約数和(自身を除く): 184213320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 61403, 122806, 184209, 245612, 307015, 368418, 491224, 614030, 675433, 736836, 921045, 1228060, 1350866, 1473672, 1842090, 2026299, 2456120, 2701732, 3377165, 3684180, 4052598, 5403464, 6754330, 7368360, 8105196, 10131495, 13508660, 16210392, 20262990, 27017320, 40525980, 81051960]

約数ペア:

[(1, 81051960), (2, 40525980), (3, 27017320), (4, 20262990), (5, 16210392), (6, 13508660), (8, 10131495), (10, 8105196), (11, 7368360), (12, 6754330), (15, 5403464), (20, 4052598), (22, 3684180), (24, 3377165), (30, 2701732), (33, 2456120), (40, 2026299), (44, 1842090), (55, 1473672), (60, 1350866), (66, 1228060), (88, 921045), (110, 736836), (120, 675433), (132, 614030), (165, 491224), (220, 368418), (264, 307015), (330, 245612), (440, 184209), (660, 122806), (1320, 61403)]