257445792

素因数分解:

$2^5\times 3^2\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:323

約数の個数: 144

約数和(自身を含む): 756756000

約数和(自身を除く): 499310208

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 59, 72, 96, 109, 118, 139, 144, 177, 218, 236, 278, 288, 327, 354, 417, 436, 472, 531, 556, 654, 708, 834, 872, 944, 981, 1062, 1112, 1251, 1308, 1416, 1668, 1744, 1888, 1962, 2124, 2224, 2502, 2616, 2832, 3336, 3488, 3924, 4248, 4448, 5004, 5232, 5664, 6431, 6672, 7848, 8201, 8496, 10008, 10464, 12862, 13344, 15151, 15696, 16402, 16992, 19293, 20016, 24603, 25724, 30302, 31392, 32804, 38586, 40032, 45453, 49206, 51448, 57879, 60604, 65608, 73809, 77172, 90906, 98412, 102896, 115758, 121208, 131216, 136359, 147618, 154344, 181812, 196824, 205792, 231516, 242416, 262432, 272718, 295236, 308688, 363624, 393648, 463032, 484832, 545436, 590472, 617376, 727248, 787296, 893909, 926064, 1090872, 1180944, 1454496, 1787818, 1852128, 2181744, 2361888, 2681727, 3575636, 4363488, 5363454, 7151272, 8045181, 10726908, 14302544, 16090362, 21453816, 28605088, 32180724, 42907632, 64361448, 85815264, 128722896, 257445792]

約数ペア:

[(1, 257445792), (2, 128722896), (3, 85815264), (4, 64361448), (6, 42907632), (8, 32180724), (9, 28605088), (12, 21453816), (16, 16090362), (18, 14302544), (24, 10726908), (32, 8045181), (36, 7151272), (48, 5363454), (59, 4363488), (72, 3575636), (96, 2681727), (109, 2361888), (118, 2181744), (139, 1852128), (144, 1787818), (177, 1454496), (218, 1180944), (236, 1090872), (278, 926064), (288, 893909), (327, 787296), (354, 727248), (417, 617376), (436, 590472), (472, 545436), (531, 484832), (556, 463032), (654, 393648), (708, 363624), (834, 308688), (872, 295236), (944, 272718), (981, 262432), (1062, 242416), (1112, 231516), (1251, 205792), (1308, 196824), (1416, 181812), (1668, 154344), (1744, 147618), (1888, 136359), (1962, 131216), (2124, 121208), (2224, 115758), (2502, 102896), (2616, 98412), (2832, 90906), (3336, 77172), (3488, 73809), (3924, 65608), (4248, 60604), (4448, 57879), (5004, 51448), (5232, 49206), (5664, 45453), (6431, 40032), (6672, 38586), (7848, 32804), (8201, 31392), (8496, 30302), (10008, 25724), (10464, 24603), (12862, 20016), (13344, 19293), (15151, 16992), (15696, 16402)]