2720120004

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{51157}}^1$

素因数の和:51385

約数の個数: 72

約数和(自身を含む): 7895521088

約数和(自身を除く): 5175401084

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 211, 252, 422, 633, 844, 1266, 1477, 1899, 2532, 2954, 3798, 4431, 5908, 7596, 8862, 13293, 17724, 26586, 51157, 53172, 102314, 153471, 204628, 306942, 358099, 460413, 613884, 716198, 920826, 1074297, 1432396, 1841652, 2148594, 3222891, 4297188, 6445782, 10794127, 12891564, 21588254, 32382381, 43176508, 64764762, 75558889, 97147143, 129529524, 151117778, 194294286, 226676667, 302235556, 388588572, 453353334, 680030001, 906706668, 1360060002, 2720120004]

約数ペア:

[(1, 2720120004), (2, 1360060002), (3, 906706668), (4, 680030001), (6, 453353334), (7, 388588572), (9, 302235556), (12, 226676667), (14, 194294286), (18, 151117778), (21, 129529524), (28, 97147143), (36, 75558889), (42, 64764762), (63, 43176508), (84, 32382381), (126, 21588254), (211, 12891564), (252, 10794127), (422, 6445782), (633, 4297188), (844, 3222891), (1266, 2148594), (1477, 1841652), (1899, 1432396), (2532, 1074297), (2954, 920826), (3798, 716198), (4431, 613884), (5908, 460413), (7596, 358099), (8862, 306942), (13293, 204628), (17724, 153471), (26586, 102314), (51157, 53172)]