71785480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1087}}^1$

素因数の和:1238

約数の個数: 64

約数和(自身を含む): 175472640

約数和(自身を除く): 103687160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 127, 130, 254, 260, 508, 520, 635, 1016, 1087, 1270, 1651, 2174, 2540, 3302, 4348, 5080, 5435, 6604, 8255, 8696, 10870, 13208, 14131, 16510, 21740, 28262, 33020, 43480, 56524, 66040, 70655, 113048, 138049, 141310, 276098, 282620, 552196, 565240, 690245, 1104392, 1380490, 1794637, 2760980, 3589274, 5521960, 7178548, 8973185, 14357096, 17946370, 35892740, 71785480]

約数ペア:

[(1, 71785480), (2, 35892740), (4, 17946370), (5, 14357096), (8, 8973185), (10, 7178548), (13, 5521960), (20, 3589274), (26, 2760980), (40, 1794637), (52, 1380490), (65, 1104392), (104, 690245), (127, 565240), (130, 552196), (254, 282620), (260, 276098), (508, 141310), (520, 138049), (635, 113048), (1016, 70655), (1087, 66040), (1270, 56524), (1651, 43480), (2174, 33020), (2540, 28262), (3302, 21740), (4348, 16510), (5080, 14131), (5435, 13208), (6604, 10870), (8255, 8696)]