27988240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:137

約数の個数: 160

約数和(自身を含む): 80994816

約数和(自身を除く): 53006576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 41, 46, 53, 56, 70, 80, 82, 92, 106, 112, 115, 140, 161, 164, 184, 205, 212, 230, 265, 280, 287, 322, 328, 368, 371, 410, 424, 460, 530, 560, 574, 644, 656, 742, 805, 820, 848, 920, 943, 1060, 1148, 1219, 1288, 1435, 1484, 1610, 1640, 1840, 1855, 1886, 2120, 2173, 2296, 2438, 2576, 2870, 2968, 3220, 3280, 3710, 3772, 4240, 4346, 4592, 4715, 4876, 5740, 5936, 6095, 6440, 6601, 7420, 7544, 8533, 8692, 9430, 9752, 10865, 11480, 12190, 12880, 13202, 14840, 15088, 15211, 17066, 17384, 18860, 19504, 21730, 22960, 24380, 26404, 29680, 30422, 33005, 34132, 34768, 37720, 42665, 43460, 48760, 49979, 52808, 60844, 66010, 68264, 75440, 76055, 85330, 86920, 97520, 99958, 105616, 121688, 132020, 136528, 152110, 170660, 173840, 199916, 243376, 249895, 264040, 304220, 341320, 349853, 399832, 499790, 528080, 608440, 682640, 699706, 799664, 999580, 1216880, 1399412, 1749265, 1999160, 2798824, 3498530, 3998320, 5597648, 6997060, 13994120, 27988240]

約数ペア:

[(1, 27988240), (2, 13994120), (4, 6997060), (5, 5597648), (7, 3998320), (8, 3498530), (10, 2798824), (14, 1999160), (16, 1749265), (20, 1399412), (23, 1216880), (28, 999580), (35, 799664), (40, 699706), (41, 682640), (46, 608440), (53, 528080), (56, 499790), (70, 399832), (80, 349853), (82, 341320), (92, 304220), (106, 264040), (112, 249895), (115, 243376), (140, 199916), (161, 173840), (164, 170660), (184, 152110), (205, 136528), (212, 132020), (230, 121688), (265, 105616), (280, 99958), (287, 97520), (322, 86920), (328, 85330), (368, 76055), (371, 75440), (410, 68264), (424, 66010), (460, 60844), (530, 52808), (560, 49979), (574, 48760), (644, 43460), (656, 42665), (742, 37720), (805, 34768), (820, 34132), (848, 33005), (920, 30422), (943, 29680), (1060, 26404), (1148, 24380), (1219, 22960), (1288, 21730), (1435, 19504), (1484, 18860), (1610, 17384), (1640, 17066), (1840, 15211), (1855, 15088), (1886, 14840), (2120, 13202), (2173, 12880), (2296, 12190), (2438, 11480), (2576, 10865), (2870, 9752), (2968, 9430), (3220, 8692), (3280, 8533), (3710, 7544), (3772, 7420), (4240, 6601), (4346, 6440), (4592, 6095), (4715, 5936), (4876, 5740)]