81373656

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:138

約数の個数: 256

約数和(自身を含む): 275788800

約数和(自身を除く): 194415144

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 19, 21, 24, 26, 28, 37, 38, 39, 42, 52, 53, 56, 57, 74, 76, 78, 84, 91, 104, 106, 111, 114, 133, 148, 152, 156, 159, 168, 182, 212, 222, 228, 247, 259, 266, 273, 296, 312, 318, 364, 371, 399, 424, 444, 456, 481, 494, 518, 532, 546, 636, 689, 703, 728, 741, 742, 777, 798, 888, 962, 988, 1007, 1036, 1064, 1092, 1113, 1272, 1378, 1406, 1443, 1482, 1484, 1554, 1596, 1729, 1924, 1961, 1976, 2014, 2067, 2072, 2109, 2184, 2226, 2756, 2812, 2886, 2964, 2968, 3021, 3108, 3192, 3367, 3458, 3848, 3922, 4028, 4134, 4218, 4452, 4823, 4921, 5187, 5512, 5624, 5772, 5883, 5928, 6042, 6216, 6734, 6916, 7049, 7844, 8056, 8268, 8436, 8904, 9139, 9646, 9842, 10101, 10374, 11544, 11766, 12084, 13091, 13468, 13727, 13832, 14098, 14469, 14763, 15688, 16536, 16872, 18278, 19292, 19684, 20202, 20748, 21147, 23532, 24168, 25493, 26182, 26936, 27417, 27454, 28196, 28938, 29526, 36556, 37259, 38584, 39273, 39368, 40404, 41181, 41496, 42294, 47064, 50986, 52364, 54834, 54908, 56392, 57876, 59052, 63973, 73112, 74518, 76479, 78546, 80808, 82362, 84588, 91637, 101972, 104728, 109668, 109816, 111777, 115752, 118104, 127946, 149036, 152958, 157092, 164724, 169176, 178451, 183274, 191919, 203944, 219336, 223554, 255892, 260813, 274911, 298072, 305916, 314184, 329448, 356902, 366548, 383838, 447108, 484367, 511784, 521626, 535353, 549822, 611832, 713804, 733096, 767676, 782439, 894216, 968734, 1043252, 1070706, 1099644, 1427608, 1453101, 1535352, 1564878, 1937468, 2086504, 2141412, 2199288, 2906202, 3129756, 3390569, 3874936, 4282824, 5812404, 6259512, 6781138, 10171707, 11624808, 13562276, 20343414, 27124552, 40686828, 81373656]

約数ペア:

[(1, 81373656), (2, 40686828), (3, 27124552), (4, 20343414), (6, 13562276), (7, 11624808), (8, 10171707), (12, 6781138), (13, 6259512), (14, 5812404), (19, 4282824), (21, 3874936), (24, 3390569), (26, 3129756), (28, 2906202), (37, 2199288), (38, 2141412), (39, 2086504), (42, 1937468), (52, 1564878), (53, 1535352), (56, 1453101), (57, 1427608), (74, 1099644), (76, 1070706), (78, 1043252), (84, 968734), (91, 894216), (104, 782439), (106, 767676), (111, 733096), (114, 713804), (133, 611832), (148, 549822), (152, 535353), (156, 521626), (159, 511784), (168, 484367), (182, 447108), (212, 383838), (222, 366548), (228, 356902), (247, 329448), (259, 314184), (266, 305916), (273, 298072), (296, 274911), (312, 260813), (318, 255892), (364, 223554), (371, 219336), (399, 203944), (424, 191919), (444, 183274), (456, 178451), (481, 169176), (494, 164724), (518, 157092), (532, 152958), (546, 149036), (636, 127946), (689, 118104), (703, 115752), (728, 111777), (741, 109816), (742, 109668), (777, 104728), (798, 101972), (888, 91637), (962, 84588), (988, 82362), (1007, 80808), (1036, 78546), (1064, 76479), (1092, 74518), (1113, 73112), (1272, 63973), (1378, 59052), (1406, 57876), (1443, 56392), (1482, 54908), (1484, 54834), (1554, 52364), (1596, 50986), (1729, 47064), (1924, 42294), (1961, 41496), (1976, 41181), (2014, 40404), (2067, 39368), (2072, 39273), (2109, 38584), (2184, 37259), (2226, 36556), (2756, 29526), (2812, 28938), (2886, 28196), (2964, 27454), (2968, 27417), (3021, 26936), (3108, 26182), (3192, 25493), (3367, 24168), (3458, 23532), (3848, 21147), (3922, 20748), (4028, 20202), (4134, 19684), (4218, 19292), (4452, 18278), (4823, 16872), (4921, 16536), (5187, 15688), (5512, 14763), (5624, 14469), (5772, 14098), (5883, 13832), (5928, 13727), (6042, 13468), (6216, 13091), (6734, 12084), (6916, 11766), (7049, 11544), (7844, 10374), (8056, 10101), (8268, 9842), (8436, 9646), (8904, 9139)]