81400368

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{653}}^1$

素因数の和:731

約数の個数: 120

約数和(自身を含む): 249613488

約数和(自身を除く): 168213120

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 53, 56, 84, 98, 106, 112, 147, 159, 168, 196, 212, 294, 318, 336, 371, 392, 424, 588, 636, 653, 742, 784, 848, 1113, 1176, 1272, 1306, 1484, 1959, 2226, 2352, 2544, 2597, 2612, 2968, 3918, 4452, 4571, 5194, 5224, 5936, 7791, 7836, 8904, 9142, 10388, 10448, 13713, 15582, 15672, 17808, 18284, 20776, 27426, 31164, 31344, 31997, 34609, 36568, 41552, 54852, 62328, 63994, 69218, 73136, 95991, 103827, 109704, 124656, 127988, 138436, 191982, 207654, 219408, 242263, 255976, 276872, 383964, 415308, 484526, 511952, 553744, 726789, 767928, 830616, 969052, 1453578, 1535856, 1661232, 1695841, 1938104, 2907156, 3391682, 3876208, 5087523, 5814312, 6783364, 10175046, 11628624, 13566728, 20350092, 27133456, 40700184, 81400368]

約数ペア:

[(1, 81400368), (2, 40700184), (3, 27133456), (4, 20350092), (6, 13566728), (7, 11628624), (8, 10175046), (12, 6783364), (14, 5814312), (16, 5087523), (21, 3876208), (24, 3391682), (28, 2907156), (42, 1938104), (48, 1695841), (49, 1661232), (53, 1535856), (56, 1453578), (84, 969052), (98, 830616), (106, 767928), (112, 726789), (147, 553744), (159, 511952), (168, 484526), (196, 415308), (212, 383964), (294, 276872), (318, 255976), (336, 242263), (371, 219408), (392, 207654), (424, 191982), (588, 138436), (636, 127988), (653, 124656), (742, 109704), (784, 103827), (848, 95991), (1113, 73136), (1176, 69218), (1272, 63994), (1306, 62328), (1484, 54852), (1959, 41552), (2226, 36568), (2352, 34609), (2544, 31997), (2597, 31344), (2612, 31164), (2968, 27426), (3918, 20776), (4452, 18284), (4571, 17808), (5194, 15672), (5224, 15582), (5936, 13713), (7791, 10448), (7836, 10388), (8904, 9142)]