81361260

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{16741}}^1$

素因数の和:16765

約数の個数: 72

約数和(自身を含む): 255951696

約数和(自身を除く): 174590436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 16741, 33482, 50223, 66964, 83705, 100446, 150669, 167410, 200892, 251115, 301338, 334820, 452007, 502230, 602676, 753345, 904014, 1004460, 1356021, 1506690, 1808028, 2260035, 2712042, 3013380, 4068063, 4520070, 5424084, 6780105, 8136126, 9040140, 13560210, 16272252, 20340315, 27120420, 40680630, 81361260]

約数ペア:

[(1, 81361260), (2, 40680630), (3, 27120420), (4, 20340315), (5, 16272252), (6, 13560210), (9, 9040140), (10, 8136126), (12, 6780105), (15, 5424084), (18, 4520070), (20, 4068063), (27, 3013380), (30, 2712042), (36, 2260035), (45, 1808028), (54, 1506690), (60, 1356021), (81, 1004460), (90, 904014), (108, 753345), (135, 602676), (162, 502230), (180, 452007), (243, 334820), (270, 301338), (324, 251115), (405, 200892), (486, 167410), (540, 150669), (810, 100446), (972, 83705), (1215, 66964), (1620, 50223), (2430, 33482), (4860, 16741)]