64420785

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:156

約数の個数: 128

約数和(自身を含む): 139345920

約数和(自身を除く): 74925135

約数列:

[1, 3, 5, 9, 11, 13, 15, 27, 33, 39, 45, 47, 55, 65, 71, 99, 117, 135, 141, 143, 165, 195, 213, 235, 297, 351, 355, 423, 429, 495, 517, 585, 611, 639, 705, 715, 781, 923, 1065, 1269, 1287, 1485, 1551, 1755, 1833, 1917, 2115, 2145, 2343, 2585, 2769, 3055, 3195, 3337, 3861, 3905, 4615, 4653, 5499, 6345, 6435, 6721, 7029, 7755, 8307, 9165, 9585, 10011, 10153, 11715, 13845, 13959, 16497, 16685, 19305, 20163, 21087, 23265, 24921, 27495, 30033, 30459, 33605, 35145, 36707, 41535, 43381, 50055, 50765, 60489, 69795, 82485, 90099, 91377, 100815, 105435, 110121, 124605, 130143, 150165, 152295, 181467, 183535, 216905, 274131, 302445, 330363, 390429, 450495, 456885, 477191, 550605, 650715, 907335, 991089, 1171287, 1370655, 1431573, 1651815, 1952145, 2385955, 4294719, 4955445, 5856435, 7157865, 12884157, 21473595, 64420785]

約数ペア:

[(1, 64420785), (3, 21473595), (5, 12884157), (9, 7157865), (11, 5856435), (13, 4955445), (15, 4294719), (27, 2385955), (33, 1952145), (39, 1651815), (45, 1431573), (47, 1370655), (55, 1171287), (65, 991089), (71, 907335), (99, 650715), (117, 550605), (135, 477191), (141, 456885), (143, 450495), (165, 390429), (195, 330363), (213, 302445), (235, 274131), (297, 216905), (351, 183535), (355, 181467), (423, 152295), (429, 150165), (495, 130143), (517, 124605), (585, 110121), (611, 105435), (639, 100815), (705, 91377), (715, 90099), (781, 82485), (923, 69795), (1065, 60489), (1269, 50765), (1287, 50055), (1485, 43381), (1551, 41535), (1755, 36707), (1833, 35145), (1917, 33605), (2115, 30459), (2145, 30033), (2343, 27495), (2585, 24921), (2769, 23265), (3055, 21087), (3195, 20163), (3337, 19305), (3861, 16685), (3905, 16497), (4615, 13959), (4653, 13845), (5499, 11715), (6345, 10153), (6435, 10011), (6721, 9585), (7029, 9165), (7755, 8307)]