81588360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:188

約数の個数: 256

約数和(自身を含む): 301916160

約数和(自身を除く): 220327800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 41, 42, 46, 56, 60, 69, 70, 82, 84, 92, 103, 105, 115, 120, 123, 138, 140, 161, 164, 168, 184, 205, 206, 210, 230, 246, 276, 280, 287, 309, 322, 328, 345, 410, 412, 420, 460, 483, 492, 515, 552, 574, 615, 618, 644, 690, 721, 805, 820, 824, 840, 861, 920, 943, 966, 984, 1030, 1148, 1230, 1236, 1288, 1380, 1435, 1442, 1545, 1610, 1640, 1722, 1886, 1932, 2060, 2163, 2296, 2369, 2415, 2460, 2472, 2760, 2829, 2870, 2884, 3090, 3220, 3444, 3605, 3772, 3864, 4120, 4223, 4305, 4326, 4715, 4738, 4830, 4920, 5658, 5740, 5768, 6180, 6440, 6601, 6888, 7107, 7210, 7544, 8446, 8610, 8652, 9430, 9476, 9660, 10815, 11316, 11480, 11845, 12360, 12669, 13202, 14145, 14214, 14420, 16583, 16892, 17220, 17304, 18860, 18952, 19320, 19803, 21115, 21630, 22632, 23690, 25338, 26404, 28290, 28428, 28840, 29561, 33005, 33166, 33784, 34440, 35535, 37720, 39606, 42230, 43260, 47380, 49749, 50676, 52808, 56580, 56856, 59122, 63345, 66010, 66332, 71070, 79212, 82915, 84460, 86520, 88683, 94760, 97129, 99015, 99498, 101352, 113160, 118244, 126690, 132020, 132664, 142140, 147805, 158424, 165830, 168920, 177366, 194258, 198030, 198996, 236488, 248745, 253380, 264040, 284280, 291387, 295610, 331660, 354732, 388516, 396060, 397992, 443415, 485645, 497490, 506760, 582774, 591220, 663320, 679903, 709464, 777032, 792120, 886830, 971290, 994980, 1165548, 1182440, 1359806, 1456935, 1773660, 1942580, 1989960, 2039709, 2331096, 2719612, 2913870, 3399515, 3547320, 3885160, 4079418, 5439224, 5827740, 6799030, 8158836, 10198545, 11655480, 13598060, 16317672, 20397090, 27196120, 40794180, 81588360]

約数ペア:

[(1, 81588360), (2, 40794180), (3, 27196120), (4, 20397090), (5, 16317672), (6, 13598060), (7, 11655480), (8, 10198545), (10, 8158836), (12, 6799030), (14, 5827740), (15, 5439224), (20, 4079418), (21, 3885160), (23, 3547320), (24, 3399515), (28, 2913870), (30, 2719612), (35, 2331096), (40, 2039709), (41, 1989960), (42, 1942580), (46, 1773660), (56, 1456935), (60, 1359806), (69, 1182440), (70, 1165548), (82, 994980), (84, 971290), (92, 886830), (103, 792120), (105, 777032), (115, 709464), (120, 679903), (123, 663320), (138, 591220), (140, 582774), (161, 506760), (164, 497490), (168, 485645), (184, 443415), (205, 397992), (206, 396060), (210, 388516), (230, 354732), (246, 331660), (276, 295610), (280, 291387), (287, 284280), (309, 264040), (322, 253380), (328, 248745), (345, 236488), (410, 198996), (412, 198030), (420, 194258), (460, 177366), (483, 168920), (492, 165830), (515, 158424), (552, 147805), (574, 142140), (615, 132664), (618, 132020), (644, 126690), (690, 118244), (721, 113160), (805, 101352), (820, 99498), (824, 99015), (840, 97129), (861, 94760), (920, 88683), (943, 86520), (966, 84460), (984, 82915), (1030, 79212), (1148, 71070), (1230, 66332), (1236, 66010), (1288, 63345), (1380, 59122), (1435, 56856), (1442, 56580), (1545, 52808), (1610, 50676), (1640, 49749), (1722, 47380), (1886, 43260), (1932, 42230), (2060, 39606), (2163, 37720), (2296, 35535), (2369, 34440), (2415, 33784), (2460, 33166), (2472, 33005), (2760, 29561), (2829, 28840), (2870, 28428), (2884, 28290), (3090, 26404), (3220, 25338), (3444, 23690), (3605, 22632), (3772, 21630), (3864, 21115), (4120, 19803), (4223, 19320), (4305, 18952), (4326, 18860), (4715, 17304), (4738, 17220), (4830, 16892), (4920, 16583), (5658, 14420), (5740, 14214), (5768, 14145), (6180, 13202), (6440, 12669), (6601, 12360), (6888, 11845), (7107, 11480), (7210, 11316), (7544, 10815), (8446, 9660), (8610, 9476), (8652, 9430)]