888959745

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:260

約数の個数: 128

約数和(自身を含む): 1741824000

約数和(自身を除く): 852864255

約数列:

[1, 3, 5, 9, 15, 19, 27, 41, 45, 57, 79, 95, 107, 123, 135, 171, 205, 237, 285, 321, 369, 395, 513, 535, 615, 711, 779, 855, 963, 1107, 1185, 1501, 1605, 1845, 2033, 2133, 2337, 2565, 2889, 3239, 3555, 3895, 4387, 4503, 4815, 5535, 6099, 7011, 7505, 8453, 9717, 10165, 10665, 11685, 13161, 13509, 14445, 16195, 18297, 21033, 21935, 22515, 25359, 29151, 30495, 35055, 39483, 40527, 42265, 48585, 54891, 61541, 65805, 67545, 76077, 83353, 87453, 91485, 105165, 118449, 126795, 145755, 160607, 184623, 197415, 202635, 228231, 250059, 274455, 307705, 346573, 380385, 416765, 437265, 481821, 553869, 592245, 750177, 803035, 923115, 1039719, 1141155, 1250295, 1445463, 1661607, 1732865, 2250531, 2409105, 2769345, 3119157, 3750885, 4336389, 5198595, 6584887, 7227315, 8308035, 9357471, 11252655, 15595785, 19754661, 21681945, 32924435, 46787355, 59263983, 98773305, 177791949, 296319915, 888959745]

約数ペア:

[(1, 888959745), (3, 296319915), (5, 177791949), (9, 98773305), (15, 59263983), (19, 46787355), (27, 32924435), (41, 21681945), (45, 19754661), (57, 15595785), (79, 11252655), (95, 9357471), (107, 8308035), (123, 7227315), (135, 6584887), (171, 5198595), (205, 4336389), (237, 3750885), (285, 3119157), (321, 2769345), (369, 2409105), (395, 2250531), (513, 1732865), (535, 1661607), (615, 1445463), (711, 1250295), (779, 1141155), (855, 1039719), (963, 923115), (1107, 803035), (1185, 750177), (1501, 592245), (1605, 553869), (1845, 481821), (2033, 437265), (2133, 416765), (2337, 380385), (2565, 346573), (2889, 307705), (3239, 274455), (3555, 250059), (3895, 228231), (4387, 202635), (4503, 197415), (4815, 184623), (5535, 160607), (6099, 145755), (7011, 126795), (7505, 118449), (8453, 105165), (9717, 91485), (10165, 87453), (10665, 83353), (11685, 76077), (13161, 67545), (13509, 65805), (14445, 61541), (16195, 54891), (18297, 48585), (21033, 42265), (21935, 40527), (22515, 39483), (25359, 35055), (29151, 30495)]