254574080

素因数分解:

$2^9\times 5^1\times {\mathrm{277}}^1\times {\mathrm{359}}^1$

素因数の和:659

約数の個数: 80

約数和(自身を含む): 614291040

約数和(自身を除く): 359716960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 277, 320, 359, 512, 554, 640, 718, 1108, 1280, 1385, 1436, 1795, 2216, 2560, 2770, 2872, 3590, 4432, 5540, 5744, 7180, 8864, 11080, 11488, 14360, 17728, 22160, 22976, 28720, 35456, 44320, 45952, 57440, 70912, 88640, 91904, 99443, 114880, 141824, 177280, 183808, 198886, 229760, 354560, 397772, 459520, 497215, 709120, 795544, 919040, 994430, 1591088, 1988860, 3182176, 3977720, 6364352, 7955440, 12728704, 15910880, 25457408, 31821760, 50914816, 63643520, 127287040, 254574080]

約数ペア:

[(1, 254574080), (2, 127287040), (4, 63643520), (5, 50914816), (8, 31821760), (10, 25457408), (16, 15910880), (20, 12728704), (32, 7955440), (40, 6364352), (64, 3977720), (80, 3182176), (128, 1988860), (160, 1591088), (256, 994430), (277, 919040), (320, 795544), (359, 709120), (512, 497215), (554, 459520), (640, 397772), (718, 354560), (1108, 229760), (1280, 198886), (1385, 183808), (1436, 177280), (1795, 141824), (2216, 114880), (2560, 99443), (2770, 91904), (2872, 88640), (3590, 70912), (4432, 57440), (5540, 45952), (5744, 44320), (7180, 35456), (8864, 28720), (11080, 22976), (11488, 22160), (14360, 17728)]