81283356

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:165

約数の個数: 216

約数和(自身を含む): 268894080

約数和(自身を除く): 187610724

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 49, 59, 63, 66, 71, 77, 84, 98, 99, 118, 126, 132, 142, 147, 154, 177, 196, 198, 213, 231, 236, 252, 284, 294, 308, 354, 396, 413, 426, 441, 462, 497, 531, 539, 588, 639, 649, 693, 708, 781, 826, 852, 882, 924, 994, 1062, 1078, 1239, 1278, 1298, 1386, 1491, 1562, 1617, 1652, 1764, 1947, 1988, 2124, 2156, 2343, 2478, 2556, 2596, 2772, 2891, 2982, 3124, 3234, 3479, 3717, 3894, 4189, 4473, 4543, 4686, 4851, 4956, 5467, 5782, 5841, 5964, 6468, 6958, 7029, 7434, 7788, 8378, 8673, 8946, 9086, 9372, 9702, 10437, 10934, 11564, 11682, 12567, 13629, 13916, 14058, 14868, 16401, 16756, 17346, 17892, 18172, 19404, 20874, 21868, 23364, 25134, 26019, 27258, 28116, 29323, 31311, 31801, 32802, 34692, 37701, 38269, 40887, 41748, 46079, 49203, 50268, 52038, 54516, 58646, 62622, 63602, 65604, 75402, 76538, 81774, 87969, 92158, 95403, 98406, 104076, 114807, 117292, 125244, 127204, 138237, 150804, 153076, 163548, 175938, 184316, 190806, 196812, 205261, 229614, 263907, 276474, 286209, 322553, 344421, 351876, 381612, 410522, 414711, 459228, 527814, 552948, 572418, 615783, 645106, 688842, 821044, 829422, 967659, 1055628, 1144836, 1231566, 1290212, 1377684, 1658844, 1847349, 1935318, 2257871, 2463132, 2902977, 3694698, 3870636, 4515742, 5805954, 6773613, 7389396, 9031484, 11611908, 13547226, 20320839, 27094452, 40641678, 81283356]

約数ペア:

[(1, 81283356), (2, 40641678), (3, 27094452), (4, 20320839), (6, 13547226), (7, 11611908), (9, 9031484), (11, 7389396), (12, 6773613), (14, 5805954), (18, 4515742), (21, 3870636), (22, 3694698), (28, 2902977), (33, 2463132), (36, 2257871), (42, 1935318), (44, 1847349), (49, 1658844), (59, 1377684), (63, 1290212), (66, 1231566), (71, 1144836), (77, 1055628), (84, 967659), (98, 829422), (99, 821044), (118, 688842), (126, 645106), (132, 615783), (142, 572418), (147, 552948), (154, 527814), (177, 459228), (196, 414711), (198, 410522), (213, 381612), (231, 351876), (236, 344421), (252, 322553), (284, 286209), (294, 276474), (308, 263907), (354, 229614), (396, 205261), (413, 196812), (426, 190806), (441, 184316), (462, 175938), (497, 163548), (531, 153076), (539, 150804), (588, 138237), (639, 127204), (649, 125244), (693, 117292), (708, 114807), (781, 104076), (826, 98406), (852, 95403), (882, 92158), (924, 87969), (994, 81774), (1062, 76538), (1078, 75402), (1239, 65604), (1278, 63602), (1298, 62622), (1386, 58646), (1491, 54516), (1562, 52038), (1617, 50268), (1652, 49203), (1764, 46079), (1947, 41748), (1988, 40887), (2124, 38269), (2156, 37701), (2343, 34692), (2478, 32802), (2556, 31801), (2596, 31311), (2772, 29323), (2891, 28116), (2982, 27258), (3124, 26019), (3234, 25134), (3479, 23364), (3717, 21868), (3894, 20874), (4189, 19404), (4473, 18172), (4543, 17892), (4686, 17346), (4851, 16756), (4956, 16401), (5467, 14868), (5782, 14058), (5841, 13916), (5964, 13629), (6468, 12567), (6958, 11682), (7029, 11564), (7434, 10934), (7788, 10437), (8378, 9702), (8673, 9372), (8946, 9086)]