30891520

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1097}}^1$

素因数の和:1131

約数の個数: 80

約数和(自身を含む): 80874288

約数和(自身を除く): 49982768

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 512, 640, 704, 880, 1097, 1280, 1408, 1760, 2194, 2560, 2816, 3520, 4388, 5485, 5632, 7040, 8776, 10970, 12067, 14080, 17552, 21940, 24134, 28160, 35104, 43880, 48268, 60335, 70208, 87760, 96536, 120670, 140416, 175520, 193072, 241340, 280832, 351040, 386144, 482680, 561664, 702080, 772288, 965360, 1404160, 1544576, 1930720, 2808320, 3089152, 3861440, 6178304, 7722880, 15445760, 30891520]

約数ペア:

[(1, 30891520), (2, 15445760), (4, 7722880), (5, 6178304), (8, 3861440), (10, 3089152), (11, 2808320), (16, 1930720), (20, 1544576), (22, 1404160), (32, 965360), (40, 772288), (44, 702080), (55, 561664), (64, 482680), (80, 386144), (88, 351040), (110, 280832), (128, 241340), (160, 193072), (176, 175520), (220, 140416), (256, 120670), (320, 96536), (352, 87760), (440, 70208), (512, 60335), (640, 48268), (704, 43880), (880, 35104), (1097, 28160), (1280, 24134), (1408, 21940), (1760, 17552), (2194, 14080), (2560, 12067), (2816, 10970), (3520, 8776), (4388, 7040), (5485, 5632)]