80419920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{47869}}^1$

素因数の和:47892

約数の個数: 80

約数和(自身を含む): 284922240

約数和(自身を除く): 204502320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 47869, 95738, 143607, 191476, 239345, 287214, 335083, 382952, 478690, 574428, 670166, 718035, 765904, 957380, 1005249, 1148856, 1340332, 1436070, 1675415, 1914760, 2010498, 2297712, 2680664, 2872140, 3350830, 3829520, 4020996, 5026245, 5361328, 5744280, 6701660, 8041992, 10052490, 11488560, 13403320, 16083984, 20104980, 26806640, 40209960, 80419920]

約数ペア:

[(1, 80419920), (2, 40209960), (3, 26806640), (4, 20104980), (5, 16083984), (6, 13403320), (7, 11488560), (8, 10052490), (10, 8041992), (12, 6701660), (14, 5744280), (15, 5361328), (16, 5026245), (20, 4020996), (21, 3829520), (24, 3350830), (28, 2872140), (30, 2680664), (35, 2297712), (40, 2010498), (42, 1914760), (48, 1675415), (56, 1436070), (60, 1340332), (70, 1148856), (80, 1005249), (84, 957380), (105, 765904), (112, 718035), (120, 670166), (140, 574428), (168, 478690), (210, 382952), (240, 335083), (280, 287214), (336, 239345), (420, 191476), (560, 143607), (840, 95738), (1680, 47869)]