168885440

素因数分解:

$2^6\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1697}}^1$

素因数の和:2025

約数の個数: 56

約数和(自身を含む): 403689312

約数和(自身を除く): 234803872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 311, 320, 622, 1244, 1555, 1697, 2488, 3110, 3394, 4976, 6220, 6788, 8485, 9952, 12440, 13576, 16970, 19904, 24880, 27152, 33940, 49760, 54304, 67880, 99520, 108608, 135760, 271520, 527767, 543040, 1055534, 2111068, 2638835, 4222136, 5277670, 8444272, 10555340, 16888544, 21110680, 33777088, 42221360, 84442720, 168885440]

約数ペア:

[(1, 168885440), (2, 84442720), (4, 42221360), (5, 33777088), (8, 21110680), (10, 16888544), (16, 10555340), (20, 8444272), (32, 5277670), (40, 4222136), (64, 2638835), (80, 2111068), (160, 1055534), (311, 543040), (320, 527767), (622, 271520), (1244, 135760), (1555, 108608), (1697, 99520), (2488, 67880), (3110, 54304), (3394, 49760), (4976, 33940), (6220, 27152), (6788, 24880), (8485, 19904), (9952, 16970), (12440, 13576)]