82816020

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:204

約数の個数: 240

約数和(自身を含む): 304106880

約数和(自身を除く): 221290860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 67, 70, 81, 84, 90, 105, 108, 109, 126, 134, 135, 140, 162, 180, 189, 201, 210, 218, 252, 268, 270, 315, 324, 327, 335, 378, 402, 405, 420, 436, 469, 540, 545, 567, 603, 630, 654, 670, 756, 763, 804, 810, 938, 945, 981, 1005, 1090, 1134, 1206, 1260, 1308, 1340, 1407, 1526, 1620, 1635, 1809, 1876, 1890, 1962, 2010, 2180, 2268, 2289, 2345, 2412, 2814, 2835, 2943, 3015, 3052, 3270, 3618, 3780, 3815, 3924, 4020, 4221, 4578, 4690, 4905, 5427, 5628, 5670, 5886, 6030, 6540, 6867, 7035, 7236, 7303, 7630, 8442, 8829, 9045, 9156, 9380, 9810, 10854, 11340, 11445, 11772, 12060, 12663, 13734, 14070, 14606, 14715, 15260, 16884, 17658, 18090, 19620, 20601, 21105, 21708, 21909, 22890, 25326, 27135, 27468, 28140, 29212, 29430, 34335, 35316, 36180, 36515, 37989, 41202, 42210, 43818, 44145, 45780, 50652, 51121, 54270, 58860, 61803, 63315, 65727, 68670, 73030, 75978, 82404, 84420, 87636, 88290, 102242, 103005, 108540, 109545, 123606, 126630, 131454, 137340, 146060, 151956, 153363, 176580, 189945, 197181, 204484, 206010, 219090, 247212, 253260, 255605, 262908, 306726, 309015, 328635, 379890, 394362, 412020, 438180, 460089, 511210, 591543, 613452, 618030, 657270, 759780, 766815, 788724, 920178, 985905, 1022420, 1183086, 1236060, 1314540, 1380267, 1533630, 1840356, 1971810, 2300445, 2366172, 2760534, 2957715, 3067260, 3943620, 4140801, 4600890, 5521068, 5915430, 6901335, 8281602, 9201780, 11830860, 13802670, 16563204, 20704005, 27605340, 41408010, 82816020]

約数ペア:

[(1, 82816020), (2, 41408010), (3, 27605340), (4, 20704005), (5, 16563204), (6, 13802670), (7, 11830860), (9, 9201780), (10, 8281602), (12, 6901335), (14, 5915430), (15, 5521068), (18, 4600890), (20, 4140801), (21, 3943620), (27, 3067260), (28, 2957715), (30, 2760534), (35, 2366172), (36, 2300445), (42, 1971810), (45, 1840356), (54, 1533630), (60, 1380267), (63, 1314540), (67, 1236060), (70, 1183086), (81, 1022420), (84, 985905), (90, 920178), (105, 788724), (108, 766815), (109, 759780), (126, 657270), (134, 618030), (135, 613452), (140, 591543), (162, 511210), (180, 460089), (189, 438180), (201, 412020), (210, 394362), (218, 379890), (252, 328635), (268, 309015), (270, 306726), (315, 262908), (324, 255605), (327, 253260), (335, 247212), (378, 219090), (402, 206010), (405, 204484), (420, 197181), (436, 189945), (469, 176580), (540, 153363), (545, 151956), (567, 146060), (603, 137340), (630, 131454), (654, 126630), (670, 123606), (756, 109545), (763, 108540), (804, 103005), (810, 102242), (938, 88290), (945, 87636), (981, 84420), (1005, 82404), (1090, 75978), (1134, 73030), (1206, 68670), (1260, 65727), (1308, 63315), (1340, 61803), (1407, 58860), (1526, 54270), (1620, 51121), (1635, 50652), (1809, 45780), (1876, 44145), (1890, 43818), (1962, 42210), (2010, 41202), (2180, 37989), (2268, 36515), (2289, 36180), (2345, 35316), (2412, 34335), (2814, 29430), (2835, 29212), (2943, 28140), (3015, 27468), (3052, 27135), (3270, 25326), (3618, 22890), (3780, 21909), (3815, 21708), (3924, 21105), (4020, 20601), (4221, 19620), (4578, 18090), (4690, 17658), (4905, 16884), (5427, 15260), (5628, 14715), (5670, 14606), (5886, 14070), (6030, 13734), (6540, 12663), (6867, 12060), (7035, 11772), (7236, 11445), (7303, 11340), (7630, 10854), (8442, 9810), (8829, 9380), (9045, 9156)]