71457240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8387}}^1$

素因数の和:8472

約数の個数: 64

約数和(自身を含む): 217416960

約数和(自身を除く): 145959720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 4260, 8387, 8520, 16774, 25161, 33548, 41935, 50322, 67096, 83870, 100644, 125805, 167740, 201288, 251610, 335480, 503220, 595477, 1006440, 1190954, 1786431, 2381908, 2977385, 3572862, 4763816, 5954770, 7145724, 8932155, 11909540, 14291448, 17864310, 23819080, 35728620, 71457240]

約数ペア:

[(1, 71457240), (2, 35728620), (3, 23819080), (4, 17864310), (5, 14291448), (6, 11909540), (8, 8932155), (10, 7145724), (12, 5954770), (15, 4763816), (20, 3572862), (24, 2977385), (30, 2381908), (40, 1786431), (60, 1190954), (71, 1006440), (120, 595477), (142, 503220), (213, 335480), (284, 251610), (355, 201288), (426, 167740), (568, 125805), (710, 100644), (852, 83870), (1065, 67096), (1420, 50322), (1704, 41935), (2130, 33548), (2840, 25161), (4260, 16774), (8387, 8520)]