15721104

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{659}}^1$

素因数の和:748

約数の個数: 80

約数和(自身を含む): 47139840

約数和(自身を除く): 31418736

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 71, 84, 112, 142, 168, 213, 284, 336, 426, 497, 568, 659, 852, 994, 1136, 1318, 1491, 1704, 1977, 1988, 2636, 2982, 3408, 3954, 3976, 4613, 5272, 5964, 7908, 7952, 9226, 10544, 11928, 13839, 15816, 18452, 23856, 27678, 31632, 36904, 46789, 55356, 73808, 93578, 110712, 140367, 187156, 221424, 280734, 327523, 374312, 561468, 655046, 748624, 982569, 1122936, 1310092, 1965138, 2245872, 2620184, 3930276, 5240368, 7860552, 15721104]

約数ペア:

[(1, 15721104), (2, 7860552), (3, 5240368), (4, 3930276), (6, 2620184), (7, 2245872), (8, 1965138), (12, 1310092), (14, 1122936), (16, 982569), (21, 748624), (24, 655046), (28, 561468), (42, 374312), (48, 327523), (56, 280734), (71, 221424), (84, 187156), (112, 140367), (142, 110712), (168, 93578), (213, 73808), (284, 55356), (336, 46789), (426, 36904), (497, 31632), (568, 27678), (659, 23856), (852, 18452), (994, 15816), (1136, 13839), (1318, 11928), (1491, 10544), (1704, 9226), (1977, 7952), (1988, 7908), (2636, 5964), (2982, 5272), (3408, 4613), (3954, 3976)]