81030312

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:236

約数の個数: 144

約数和(自身を含む): 246486240

約数和(自身を除く): 165455928

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 71, 72, 88, 99, 121, 131, 132, 142, 198, 213, 242, 262, 264, 284, 363, 393, 396, 426, 484, 524, 568, 639, 726, 781, 786, 792, 852, 968, 1048, 1089, 1179, 1278, 1441, 1452, 1562, 1572, 1704, 2178, 2343, 2358, 2556, 2882, 2904, 3124, 3144, 4323, 4356, 4686, 4716, 5112, 5764, 6248, 7029, 8591, 8646, 8712, 9301, 9372, 9432, 11528, 12969, 14058, 15851, 17182, 17292, 18602, 18744, 25773, 25938, 27903, 28116, 31702, 34364, 34584, 37204, 47553, 51546, 51876, 55806, 56232, 63404, 68728, 74408, 77319, 83709, 95106, 102311, 103092, 103752, 111612, 126808, 142659, 154638, 167418, 190212, 204622, 206184, 223224, 285318, 306933, 309276, 334836, 380424, 409244, 570636, 613866, 618552, 669672, 818488, 920799, 1125421, 1141272, 1227732, 1841598, 2250842, 2455464, 3376263, 3683196, 4501684, 6752526, 7366392, 9003368, 10128789, 13505052, 20257578, 27010104, 40515156, 81030312]

約数ペア:

[(1, 81030312), (2, 40515156), (3, 27010104), (4, 20257578), (6, 13505052), (8, 10128789), (9, 9003368), (11, 7366392), (12, 6752526), (18, 4501684), (22, 3683196), (24, 3376263), (33, 2455464), (36, 2250842), (44, 1841598), (66, 1227732), (71, 1141272), (72, 1125421), (88, 920799), (99, 818488), (121, 669672), (131, 618552), (132, 613866), (142, 570636), (198, 409244), (213, 380424), (242, 334836), (262, 309276), (264, 306933), (284, 285318), (363, 223224), (393, 206184), (396, 204622), (426, 190212), (484, 167418), (524, 154638), (568, 142659), (639, 126808), (726, 111612), (781, 103752), (786, 103092), (792, 102311), (852, 95106), (968, 83709), (1048, 77319), (1089, 74408), (1179, 68728), (1278, 63404), (1441, 56232), (1452, 55806), (1562, 51876), (1572, 51546), (1704, 47553), (2178, 37204), (2343, 34584), (2358, 34364), (2556, 31702), (2882, 28116), (2904, 27903), (3124, 25938), (3144, 25773), (4323, 18744), (4356, 18602), (4686, 17292), (4716, 17182), (5112, 15851), (5764, 14058), (6248, 12969), (7029, 11528), (8591, 9432), (8646, 9372), (8712, 9301)]