81276768

素因数分解:

$2^5\times 3^2\times {\mathrm{241}}^1\times {\mathrm{1171}}^1$

素因数の和:1428

約数の個数: 72

約数和(自身を含む): 232288056

約数和(自身を除く): 151011288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 241, 288, 482, 723, 964, 1171, 1446, 1928, 2169, 2342, 2892, 3513, 3856, 4338, 4684, 5784, 7026, 7712, 8676, 9368, 10539, 11568, 14052, 17352, 18736, 21078, 23136, 28104, 34704, 37472, 42156, 56208, 69408, 84312, 112416, 168624, 282211, 337248, 564422, 846633, 1128844, 1693266, 2257688, 2539899, 3386532, 4515376, 5079798, 6773064, 9030752, 10159596, 13546128, 20319192, 27092256, 40638384, 81276768]

約数ペア:

[(1, 81276768), (2, 40638384), (3, 27092256), (4, 20319192), (6, 13546128), (8, 10159596), (9, 9030752), (12, 6773064), (16, 5079798), (18, 4515376), (24, 3386532), (32, 2539899), (36, 2257688), (48, 1693266), (72, 1128844), (96, 846633), (144, 564422), (241, 337248), (288, 282211), (482, 168624), (723, 112416), (964, 84312), (1171, 69408), (1446, 56208), (1928, 42156), (2169, 37472), (2342, 34704), (2892, 28104), (3513, 23136), (3856, 21078), (4338, 18736), (4684, 17352), (5784, 14052), (7026, 11568), (7712, 10539), (8676, 9368)]