81388848

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{991}}^1$

素因数の和:1090

約数の個数: 80

約数和(自身を含む): 221414400

約数和(自身を除く): 140025552

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 48, 58, 59, 87, 116, 118, 174, 177, 232, 236, 348, 354, 464, 472, 696, 708, 944, 991, 1392, 1416, 1711, 1982, 2832, 2973, 3422, 3964, 5133, 5946, 6844, 7928, 10266, 11892, 13688, 15856, 20532, 23784, 27376, 28739, 41064, 47568, 57478, 58469, 82128, 86217, 114956, 116938, 172434, 175407, 229912, 233876, 344868, 350814, 459824, 467752, 689736, 701628, 935504, 1379472, 1403256, 1695601, 2806512, 3391202, 5086803, 6782404, 10173606, 13564808, 20347212, 27129616, 40694424, 81388848]

約数ペア:

[(1, 81388848), (2, 40694424), (3, 27129616), (4, 20347212), (6, 13564808), (8, 10173606), (12, 6782404), (16, 5086803), (24, 3391202), (29, 2806512), (48, 1695601), (58, 1403256), (59, 1379472), (87, 935504), (116, 701628), (118, 689736), (174, 467752), (177, 459824), (232, 350814), (236, 344868), (348, 233876), (354, 229912), (464, 175407), (472, 172434), (696, 116938), (708, 114956), (944, 86217), (991, 82128), (1392, 58469), (1416, 57478), (1711, 47568), (1982, 41064), (2832, 28739), (2973, 27376), (3422, 23784), (3964, 20532), (5133, 15856), (5946, 13688), (6844, 11892), (7928, 10266)]