81431532

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:157

約数の個数: 216

約数和(自身を含む): 266653296

約数和(自身を除く): 185221764

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 49, 52, 53, 63, 67, 78, 84, 91, 98, 106, 117, 126, 134, 147, 156, 159, 182, 196, 201, 212, 234, 252, 268, 273, 294, 318, 364, 371, 402, 441, 468, 469, 477, 546, 588, 603, 636, 637, 689, 742, 804, 819, 871, 882, 938, 954, 1092, 1113, 1206, 1274, 1378, 1407, 1484, 1638, 1742, 1764, 1876, 1908, 1911, 2067, 2226, 2412, 2548, 2597, 2613, 2756, 2814, 3276, 3283, 3339, 3484, 3551, 3822, 4134, 4221, 4452, 4823, 5194, 5226, 5628, 5733, 6097, 6201, 6566, 6678, 7102, 7644, 7791, 7839, 8268, 8442, 9646, 9849, 10388, 10452, 10653, 11466, 12194, 12402, 13132, 13356, 14204, 14469, 15582, 15678, 16884, 18291, 19292, 19698, 21306, 22932, 23373, 24388, 24804, 24857, 28938, 29547, 31164, 31356, 31959, 33761, 36582, 39396, 42612, 42679, 43407, 46163, 46746, 49714, 54873, 57876, 59094, 63918, 67522, 73164, 74571, 85358, 86814, 92326, 93492, 99428, 101283, 109746, 118188, 127836, 128037, 135044, 138489, 149142, 170716, 173628, 173999, 184652, 202566, 219492, 223713, 256074, 276978, 298284, 303849, 323141, 347998, 384111, 405132, 415467, 447426, 512148, 521997, 553956, 607698, 646282, 695996, 768222, 830934, 894852, 969423, 1043994, 1215396, 1292564, 1536444, 1565991, 1661868, 1938846, 2087988, 2261987, 2908269, 3131982, 3877692, 4523974, 5816538, 6263964, 6785961, 9047948, 11633076, 13571922, 20357883, 27143844, 40715766, 81431532]

約数ペア:

[(1, 81431532), (2, 40715766), (3, 27143844), (4, 20357883), (6, 13571922), (7, 11633076), (9, 9047948), (12, 6785961), (13, 6263964), (14, 5816538), (18, 4523974), (21, 3877692), (26, 3131982), (28, 2908269), (36, 2261987), (39, 2087988), (42, 1938846), (49, 1661868), (52, 1565991), (53, 1536444), (63, 1292564), (67, 1215396), (78, 1043994), (84, 969423), (91, 894852), (98, 830934), (106, 768222), (117, 695996), (126, 646282), (134, 607698), (147, 553956), (156, 521997), (159, 512148), (182, 447426), (196, 415467), (201, 405132), (212, 384111), (234, 347998), (252, 323141), (268, 303849), (273, 298284), (294, 276978), (318, 256074), (364, 223713), (371, 219492), (402, 202566), (441, 184652), (468, 173999), (469, 173628), (477, 170716), (546, 149142), (588, 138489), (603, 135044), (636, 128037), (637, 127836), (689, 118188), (742, 109746), (804, 101283), (819, 99428), (871, 93492), (882, 92326), (938, 86814), (954, 85358), (1092, 74571), (1113, 73164), (1206, 67522), (1274, 63918), (1378, 59094), (1407, 57876), (1484, 54873), (1638, 49714), (1742, 46746), (1764, 46163), (1876, 43407), (1908, 42679), (1911, 42612), (2067, 39396), (2226, 36582), (2412, 33761), (2548, 31959), (2597, 31356), (2613, 31164), (2756, 29547), (2814, 28938), (3276, 24857), (3283, 24804), (3339, 24388), (3484, 23373), (3551, 22932), (3822, 21306), (4134, 19698), (4221, 19292), (4452, 18291), (4823, 16884), (5194, 15678), (5226, 15582), (5628, 14469), (5733, 14204), (6097, 13356), (6201, 13132), (6566, 12402), (6678, 12194), (7102, 11466), (7644, 10653), (7791, 10452), (7839, 10388), (8268, 9849), (8442, 9646)]