720554292

素因数分解:

$2^2\times 3^5\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:340

約数の個数: 144

約数和(自身を含む): 1961511552

約数和(自身を除く): 1240957260

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 53, 54, 71, 81, 106, 108, 142, 159, 162, 197, 212, 213, 243, 284, 318, 324, 394, 426, 477, 486, 591, 636, 639, 788, 852, 954, 972, 1182, 1278, 1431, 1773, 1908, 1917, 2364, 2556, 2862, 3546, 3763, 3834, 4293, 5319, 5724, 5751, 7092, 7526, 7668, 8586, 10441, 10638, 11289, 11502, 12879, 13987, 15052, 15957, 17172, 17253, 20882, 21276, 22578, 23004, 25758, 27974, 31323, 31914, 33867, 34506, 41764, 41961, 45156, 47871, 51516, 55948, 62646, 63828, 67734, 69012, 83922, 93969, 95742, 101601, 125292, 125883, 135468, 167844, 187938, 191484, 203202, 251766, 281907, 304803, 375876, 377649, 406404, 503532, 563814, 609606, 741311, 755298, 845721, 914409, 1127628, 1132947, 1219212, 1482622, 1510596, 1691442, 1828818, 2223933, 2265894, 2537163, 2965244, 3382884, 3398841, 3657636, 4447866, 4531788, 5074326, 6671799, 6797682, 8895732, 10148652, 13343598, 13595364, 20015397, 26687196, 40030794, 60046191, 80061588, 120092382, 180138573, 240184764, 360277146, 720554292]

約数ペア:

[(1, 720554292), (2, 360277146), (3, 240184764), (4, 180138573), (6, 120092382), (9, 80061588), (12, 60046191), (18, 40030794), (27, 26687196), (36, 20015397), (53, 13595364), (54, 13343598), (71, 10148652), (81, 8895732), (106, 6797682), (108, 6671799), (142, 5074326), (159, 4531788), (162, 4447866), (197, 3657636), (212, 3398841), (213, 3382884), (243, 2965244), (284, 2537163), (318, 2265894), (324, 2223933), (394, 1828818), (426, 1691442), (477, 1510596), (486, 1482622), (591, 1219212), (636, 1132947), (639, 1127628), (788, 914409), (852, 845721), (954, 755298), (972, 741311), (1182, 609606), (1278, 563814), (1431, 503532), (1773, 406404), (1908, 377649), (1917, 375876), (2364, 304803), (2556, 281907), (2862, 251766), (3546, 203202), (3763, 191484), (3834, 187938), (4293, 167844), (5319, 135468), (5724, 125883), (5751, 125292), (7092, 101601), (7526, 95742), (7668, 93969), (8586, 83922), (10441, 69012), (10638, 67734), (11289, 63828), (11502, 62646), (12879, 55948), (13987, 51516), (15052, 47871), (15957, 45156), (17172, 41961), (17253, 41764), (20882, 34506), (21276, 33867), (22578, 31914), (23004, 31323), (25758, 27974)]