1285264515

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1\times {\mathrm{457}}^1$

素因数の和:792

約数の個数: 64

約数和(自身を含む): 2243687040

約数和(自身を除く): 958422525

約数列:

[1, 3, 5, 15, 17, 41, 51, 85, 123, 205, 255, 269, 457, 615, 697, 807, 1345, 1371, 2091, 2285, 3485, 4035, 4573, 6855, 7769, 10455, 11029, 13719, 18737, 22865, 23307, 33087, 38845, 55145, 56211, 68595, 93685, 116535, 122933, 165435, 187493, 281055, 318529, 368799, 562479, 614665, 937465, 955587, 1592645, 1843995, 2089861, 2812395, 4777935, 5040253, 6269583, 10449305, 15120759, 25201265, 31347915, 75603795, 85684301, 257052903, 428421505, 1285264515]

約数ペア:

[(1, 1285264515), (3, 428421505), (5, 257052903), (15, 85684301), (17, 75603795), (41, 31347915), (51, 25201265), (85, 15120759), (123, 10449305), (205, 6269583), (255, 5040253), (269, 4777935), (457, 2812395), (615, 2089861), (697, 1843995), (807, 1592645), (1345, 955587), (1371, 937465), (2091, 614665), (2285, 562479), (3485, 368799), (4035, 318529), (4573, 281055), (6855, 187493), (7769, 165435), (10455, 122933), (11029, 116535), (13719, 93685), (18737, 68595), (22865, 56211), (23307, 55145), (33087, 38845)]