81746256

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{401}}^1$

素因数の和:580

約数の個数: 80

約数和(自身を含む): 220128768

約数和(自身を除く): 138382512

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 137, 186, 248, 274, 372, 401, 411, 496, 548, 744, 802, 822, 1096, 1203, 1488, 1604, 1644, 2192, 2406, 3208, 3288, 4247, 4812, 6416, 6576, 8494, 9624, 12431, 12741, 16988, 19248, 24862, 25482, 33976, 37293, 49724, 50964, 54937, 67952, 74586, 99448, 101928, 109874, 149172, 164811, 198896, 203856, 219748, 298344, 329622, 439496, 596688, 659244, 878992, 1318488, 1703047, 2636976, 3406094, 5109141, 6812188, 10218282, 13624376, 20436564, 27248752, 40873128, 81746256]

約数ペア:

[(1, 81746256), (2, 40873128), (3, 27248752), (4, 20436564), (6, 13624376), (8, 10218282), (12, 6812188), (16, 5109141), (24, 3406094), (31, 2636976), (48, 1703047), (62, 1318488), (93, 878992), (124, 659244), (137, 596688), (186, 439496), (248, 329622), (274, 298344), (372, 219748), (401, 203856), (411, 198896), (496, 164811), (548, 149172), (744, 109874), (802, 101928), (822, 99448), (1096, 74586), (1203, 67952), (1488, 54937), (1604, 50964), (1644, 49724), (2192, 37293), (2406, 33976), (3208, 25482), (3288, 24862), (4247, 19248), (4812, 16988), (6416, 12741), (6576, 12431), (8494, 9624)]