81748920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3643}}^1$

素因数の和:3685

約数の個数: 128

約数和(自身を含む): 283357440

約数和(自身を除く): 201608520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 17, 20, 22, 24, 30, 33, 34, 40, 44, 51, 55, 60, 66, 68, 85, 88, 102, 110, 120, 132, 136, 165, 170, 187, 204, 220, 255, 264, 330, 340, 374, 408, 440, 510, 561, 660, 680, 748, 935, 1020, 1122, 1320, 1496, 1870, 2040, 2244, 2805, 3643, 3740, 4488, 5610, 7286, 7480, 10929, 11220, 14572, 18215, 21858, 22440, 29144, 36430, 40073, 43716, 54645, 61931, 72860, 80146, 87432, 109290, 120219, 123862, 145720, 160292, 185793, 200365, 218580, 240438, 247724, 309655, 320584, 371586, 400730, 437160, 480876, 495448, 601095, 619310, 681241, 743172, 801460, 928965, 961752, 1202190, 1238620, 1362482, 1486344, 1602920, 1857930, 2043723, 2404380, 2477240, 2724964, 3406205, 3715860, 4087446, 4808760, 5449928, 6812410, 7431720, 8174892, 10218615, 13624820, 16349784, 20437230, 27249640, 40874460, 81748920]

約数ペア:

[(1, 81748920), (2, 40874460), (3, 27249640), (4, 20437230), (5, 16349784), (6, 13624820), (8, 10218615), (10, 8174892), (11, 7431720), (12, 6812410), (15, 5449928), (17, 4808760), (20, 4087446), (22, 3715860), (24, 3406205), (30, 2724964), (33, 2477240), (34, 2404380), (40, 2043723), (44, 1857930), (51, 1602920), (55, 1486344), (60, 1362482), (66, 1238620), (68, 1202190), (85, 961752), (88, 928965), (102, 801460), (110, 743172), (120, 681241), (132, 619310), (136, 601095), (165, 495448), (170, 480876), (187, 437160), (204, 400730), (220, 371586), (255, 320584), (264, 309655), (330, 247724), (340, 240438), (374, 218580), (408, 200365), (440, 185793), (510, 160292), (561, 145720), (660, 123862), (680, 120219), (748, 109290), (935, 87432), (1020, 80146), (1122, 72860), (1320, 61931), (1496, 54645), (1870, 43716), (2040, 40073), (2244, 36430), (2805, 29144), (3643, 22440), (3740, 21858), (4488, 18215), (5610, 14572), (7286, 11220), (7480, 10929)]