80818164

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4517}}^1$

素因数の和:4605

約数の個数: 72

約数和(自身を含む): 236815488

約数和(自身を除く): 155997324

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 71, 84, 126, 142, 213, 252, 284, 426, 497, 639, 852, 994, 1278, 1491, 1988, 2556, 2982, 4473, 4517, 5964, 8946, 9034, 13551, 17892, 18068, 27102, 31619, 40653, 54204, 63238, 81306, 94857, 126476, 162612, 189714, 284571, 320707, 379428, 569142, 641414, 962121, 1138284, 1282828, 1924242, 2244949, 2886363, 3848484, 4489898, 5772726, 6734847, 8979796, 11545452, 13469694, 20204541, 26939388, 40409082, 80818164]

約数ペア:

[(1, 80818164), (2, 40409082), (3, 26939388), (4, 20204541), (6, 13469694), (7, 11545452), (9, 8979796), (12, 6734847), (14, 5772726), (18, 4489898), (21, 3848484), (28, 2886363), (36, 2244949), (42, 1924242), (63, 1282828), (71, 1138284), (84, 962121), (126, 641414), (142, 569142), (213, 379428), (252, 320707), (284, 284571), (426, 189714), (497, 162612), (639, 126476), (852, 94857), (994, 81306), (1278, 63238), (1491, 54204), (1988, 40653), (2556, 31619), (2982, 27102), (4473, 18068), (4517, 17892), (5964, 13551), (8946, 9034)]