80890236

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1249}}^1$

素因数の和:1523

約数の個数: 72

約数和(自身を含む): 234780000

約数和(自身を除く): 153889764

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 257, 514, 771, 1028, 1249, 1542, 1799, 2313, 2498, 3084, 3598, 3747, 4626, 4996, 5397, 7196, 7494, 8743, 9252, 10794, 11241, 14988, 16191, 17486, 21588, 22482, 26229, 32382, 34972, 44964, 52458, 64764, 78687, 104916, 157374, 314748, 320993, 641986, 962979, 1283972, 1925958, 2246951, 2888937, 3851916, 4493902, 5777874, 6740853, 8987804, 11555748, 13481706, 20222559, 26963412, 40445118, 80890236]

約数ペア:

[(1, 80890236), (2, 40445118), (3, 26963412), (4, 20222559), (6, 13481706), (7, 11555748), (9, 8987804), (12, 6740853), (14, 5777874), (18, 4493902), (21, 3851916), (28, 2888937), (36, 2246951), (42, 1925958), (63, 1283972), (84, 962979), (126, 641986), (252, 320993), (257, 314748), (514, 157374), (771, 104916), (1028, 78687), (1249, 64764), (1542, 52458), (1799, 44964), (2313, 34972), (2498, 32382), (3084, 26229), (3598, 22482), (3747, 21588), (4626, 17486), (4996, 16191), (5397, 14988), (7196, 11241), (7494, 10794), (8743, 9252)]