164837120

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{18397}}^1$

素因数の和:18425

約数の個数: 72

約数和(自身を含む): 451266144

約数和(自身を除く): 286429024

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, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 18397, 36794, 73588, 91985, 128779, 147176, 183970, 257558, 294352, 367940, 515116, 588704, 643895, 735880, 1030232, 1177408, 1287790, 1471760, 2060464, 2354816, 2575580, 2943520, 4120928, 4709632, 5151160, 5887040, 8241856, 10302320, 11774080, 16483712, 20604640, 23548160, 32967424, 41209280, 82418560, 164837120]

約数ペア:

[(1, 164837120), (2, 82418560), (4, 41209280), (5, 32967424), (7, 23548160), (8, 20604640), (10, 16483712), (14, 11774080), (16, 10302320), (20, 8241856), (28, 5887040), (32, 5151160), (35, 4709632), (40, 4120928), (56, 2943520), (64, 2575580), (70, 2354816), (80, 2060464), (112, 1471760), (128, 1287790), (140, 1177408), (160, 1030232), (224, 735880), (256, 643895), (280, 588704), (320, 515116), (448, 367940), (560, 294352), (640, 257558), (896, 183970), (1120, 147176), (1280, 128779), (1792, 91985), (2240, 73588), (4480, 36794), (8960, 18397)]