268499556

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{199}}^1$

素因数の和:287

約数の個数: 144

約数和(自身を含む): 778512000

約数和(自身を除く): 510012444

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 31, 36, 39, 52, 54, 62, 78, 93, 108, 117, 124, 156, 186, 199, 234, 279, 351, 372, 398, 403, 468, 558, 597, 702, 796, 806, 837, 961, 1116, 1194, 1209, 1404, 1612, 1674, 1791, 1922, 2388, 2418, 2587, 2883, 3348, 3582, 3627, 3844, 4836, 5174, 5373, 5766, 6169, 7164, 7254, 7761, 8649, 10348, 10746, 10881, 11532, 12338, 12493, 14508, 15522, 17298, 18507, 21492, 21762, 23283, 24676, 24986, 25947, 31044, 34596, 37014, 37479, 43524, 46566, 49972, 51894, 55521, 69849, 74028, 74958, 80197, 93132, 103788, 111042, 112437, 139698, 149916, 160394, 166563, 191239, 222084, 224874, 240591, 279396, 320788, 333126, 337311, 382478, 449748, 481182, 573717, 666252, 674622, 721773, 764956, 962364, 1147434, 1349244, 1443546, 1721151, 2165319, 2294868, 2486107, 2887092, 3442302, 4330638, 4972214, 5163453, 6884604, 7458321, 8661276, 9944428, 10326906, 14916642, 20653812, 22374963, 29833284, 44749926, 67124889, 89499852, 134249778, 268499556]

約数ペア:

[(1, 268499556), (2, 134249778), (3, 89499852), (4, 67124889), (6, 44749926), (9, 29833284), (12, 22374963), (13, 20653812), (18, 14916642), (26, 10326906), (27, 9944428), (31, 8661276), (36, 7458321), (39, 6884604), (52, 5163453), (54, 4972214), (62, 4330638), (78, 3442302), (93, 2887092), (108, 2486107), (117, 2294868), (124, 2165319), (156, 1721151), (186, 1443546), (199, 1349244), (234, 1147434), (279, 962364), (351, 764956), (372, 721773), (398, 674622), (403, 666252), (468, 573717), (558, 481182), (597, 449748), (702, 382478), (796, 337311), (806, 333126), (837, 320788), (961, 279396), (1116, 240591), (1194, 224874), (1209, 222084), (1404, 191239), (1612, 166563), (1674, 160394), (1791, 149916), (1922, 139698), (2388, 112437), (2418, 111042), (2587, 103788), (2883, 93132), (3348, 80197), (3582, 74958), (3627, 74028), (3844, 69849), (4836, 55521), (5174, 51894), (5373, 49972), (5766, 46566), (6169, 43524), (7164, 37479), (7254, 37014), (7761, 34596), (8649, 31044), (10348, 25947), (10746, 24986), (10881, 24676), (11532, 23283), (12338, 21762), (12493, 21492), (14508, 18507), (15522, 17298)]