57720320

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{3221}}^1$

素因数の和:3251

約数の個数: 80

約数和(自身を含む): 158213088

約数和(自身を除く): 100492768

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3221, 3584, 4480, 6442, 8960, 12884, 16105, 17920, 22547, 25768, 32210, 45094, 51536, 64420, 90188, 103072, 112735, 128840, 180376, 206144, 225470, 257680, 360752, 412288, 450940, 515360, 721504, 824576, 901880, 1030720, 1443008, 1649152, 1803760, 2061440, 2886016, 3607520, 4122880, 5772032, 7215040, 8245760, 11544064, 14430080, 28860160, 57720320]

約数ペア:

[(1, 57720320), (2, 28860160), (4, 14430080), (5, 11544064), (7, 8245760), (8, 7215040), (10, 5772032), (14, 4122880), (16, 3607520), (20, 2886016), (28, 2061440), (32, 1803760), (35, 1649152), (40, 1443008), (56, 1030720), (64, 901880), (70, 824576), (80, 721504), (112, 515360), (128, 450940), (140, 412288), (160, 360752), (224, 257680), (256, 225470), (280, 206144), (320, 180376), (448, 128840), (512, 112735), (560, 103072), (640, 90188), (896, 64420), (1120, 51536), (1280, 45094), (1792, 32210), (2240, 25768), (2560, 22547), (3221, 17920), (3584, 16105), (4480, 12884), (6442, 8960)]