80400735

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{661}}^1$

素因数の和:745

約数の個数: 64

約数和(自身を含む): 154431360

約数和(自身を除く): 74030625

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 53, 85, 135, 153, 159, 255, 265, 459, 477, 661, 765, 795, 901, 1431, 1983, 2295, 2385, 2703, 3305, 4505, 5949, 7155, 8109, 9915, 11237, 13515, 17847, 24327, 29745, 33711, 35033, 40545, 56185, 89235, 101133, 105099, 121635, 168555, 175165, 303399, 315297, 505665, 525495, 595561, 945891, 1516995, 1576485, 1786683, 2977805, 4729455, 5360049, 8933415, 16080147, 26800245, 80400735]

約数ペア:

[(1, 80400735), (3, 26800245), (5, 16080147), (9, 8933415), (15, 5360049), (17, 4729455), (27, 2977805), (45, 1786683), (51, 1576485), (53, 1516995), (85, 945891), (135, 595561), (153, 525495), (159, 505665), (255, 315297), (265, 303399), (459, 175165), (477, 168555), (661, 121635), (765, 105099), (795, 101133), (901, 89235), (1431, 56185), (1983, 40545), (2295, 35033), (2385, 33711), (2703, 29745), (3305, 24327), (4505, 17847), (5949, 13515), (7155, 11237), (8109, 9915)]