72989748

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:116

約数の個数: 180

約数和(自身を含む): 218241408

約数和(自身を除く): 145251660

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 31, 36, 39, 43, 52, 54, 62, 78, 81, 86, 93, 108, 117, 124, 129, 156, 162, 169, 172, 186, 234, 258, 279, 324, 338, 351, 372, 387, 403, 468, 507, 516, 558, 559, 676, 702, 774, 806, 837, 1014, 1053, 1116, 1118, 1161, 1209, 1333, 1404, 1521, 1548, 1612, 1674, 1677, 2028, 2106, 2236, 2322, 2418, 2511, 2666, 3042, 3348, 3354, 3483, 3627, 3999, 4212, 4563, 4644, 4836, 5022, 5031, 5239, 5332, 6084, 6708, 6966, 7254, 7267, 7998, 9126, 10044, 10062, 10478, 10881, 11997, 13689, 13932, 14508, 14534, 15093, 15717, 15996, 17329, 18252, 20124, 20956, 21762, 21801, 23994, 27378, 29068, 30186, 31434, 32643, 34658, 35991, 43524, 43602, 45279, 47151, 47988, 51987, 54756, 60372, 62868, 65286, 65403, 69316, 71982, 87204, 90558, 94302, 103974, 107973, 130572, 130806, 141453, 143964, 155961, 181116, 188604, 196209, 207948, 215946, 225277, 261612, 282906, 311922, 392418, 424359, 431892, 450554, 467883, 565812, 588627, 623844, 675831, 784836, 848718, 901108, 935766, 1177254, 1351662, 1403649, 1697436, 1871532, 2027493, 2354508, 2703324, 2807298, 4054986, 5614596, 6082479, 8109972, 12164958, 18247437, 24329916, 36494874, 72989748]

約数ペア:

[(1, 72989748), (2, 36494874), (3, 24329916), (4, 18247437), (6, 12164958), (9, 8109972), (12, 6082479), (13, 5614596), (18, 4054986), (26, 2807298), (27, 2703324), (31, 2354508), (36, 2027493), (39, 1871532), (43, 1697436), (52, 1403649), (54, 1351662), (62, 1177254), (78, 935766), (81, 901108), (86, 848718), (93, 784836), (108, 675831), (117, 623844), (124, 588627), (129, 565812), (156, 467883), (162, 450554), (169, 431892), (172, 424359), (186, 392418), (234, 311922), (258, 282906), (279, 261612), (324, 225277), (338, 215946), (351, 207948), (372, 196209), (387, 188604), (403, 181116), (468, 155961), (507, 143964), (516, 141453), (558, 130806), (559, 130572), (676, 107973), (702, 103974), (774, 94302), (806, 90558), (837, 87204), (1014, 71982), (1053, 69316), (1116, 65403), (1118, 65286), (1161, 62868), (1209, 60372), (1333, 54756), (1404, 51987), (1521, 47988), (1548, 47151), (1612, 45279), (1674, 43602), (1677, 43524), (2028, 35991), (2106, 34658), (2236, 32643), (2322, 31434), (2418, 30186), (2511, 29068), (2666, 27378), (3042, 23994), (3348, 21801), (3354, 21762), (3483, 20956), (3627, 20124), (3999, 18252), (4212, 17329), (4563, 15996), (4644, 15717), (4836, 15093), (5022, 14534), (5031, 14508), (5239, 13932), (5332, 13689), (6084, 11997), (6708, 10881), (6966, 10478), (7254, 10062), (7267, 10044), (7998, 9126)]