320418888

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:411

約数の個数: 128

約数和(自身を含む): 890265600

約数和(自身を除く): 569846712

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 23, 24, 38, 46, 57, 69, 76, 92, 114, 137, 138, 152, 184, 223, 228, 274, 276, 411, 437, 446, 456, 548, 552, 669, 822, 874, 892, 1096, 1311, 1338, 1644, 1748, 1784, 2603, 2622, 2676, 3151, 3288, 3496, 4237, 5129, 5206, 5244, 5352, 6302, 7809, 8474, 9453, 10258, 10412, 10488, 12604, 12711, 15387, 15618, 16948, 18906, 20516, 20824, 25208, 25422, 30551, 30774, 31236, 33896, 37812, 41032, 50844, 59869, 61102, 61548, 62472, 75624, 91653, 97451, 101688, 119738, 122204, 123096, 179607, 183306, 194902, 239476, 244408, 292353, 359214, 366612, 389804, 478952, 580469, 584706, 702673, 718428, 733224, 779608, 1160938, 1169412, 1405346, 1436856, 1741407, 2108019, 2321876, 2338824, 2810692, 3482814, 4216038, 4643752, 5621384, 6965628, 8432076, 13350787, 13931256, 16864152, 26701574, 40052361, 53403148, 80104722, 106806296, 160209444, 320418888]

約数ペア:

[(1, 320418888), (2, 160209444), (3, 106806296), (4, 80104722), (6, 53403148), (8, 40052361), (12, 26701574), (19, 16864152), (23, 13931256), (24, 13350787), (38, 8432076), (46, 6965628), (57, 5621384), (69, 4643752), (76, 4216038), (92, 3482814), (114, 2810692), (137, 2338824), (138, 2321876), (152, 2108019), (184, 1741407), (223, 1436856), (228, 1405346), (274, 1169412), (276, 1160938), (411, 779608), (437, 733224), (446, 718428), (456, 702673), (548, 584706), (552, 580469), (669, 478952), (822, 389804), (874, 366612), (892, 359214), (1096, 292353), (1311, 244408), (1338, 239476), (1644, 194902), (1748, 183306), (1784, 179607), (2603, 123096), (2622, 122204), (2676, 119738), (3151, 101688), (3288, 97451), (3496, 91653), (4237, 75624), (5129, 62472), (5206, 61548), (5244, 61102), (5352, 59869), (6302, 50844), (7809, 41032), (8474, 37812), (9453, 33896), (10258, 31236), (10412, 30774), (10488, 30551), (12604, 25422), (12711, 25208), (15387, 20824), (15618, 20516), (16948, 18906)]