180532720

素因数分解:

$2^4\times 5^1\times {\mathrm{1069}}^1\times {\mathrm{2111}}^1$

素因数の和:3193

約数の個数: 40

約数和(自身を含む): 420330240

約数和(自身を除く): 239797520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1069, 2111, 2138, 4222, 4276, 5345, 8444, 8552, 10555, 10690, 16888, 17104, 21110, 21380, 33776, 42220, 42760, 84440, 85520, 168880, 2256659, 4513318, 9026636, 11283295, 18053272, 22566590, 36106544, 45133180, 90266360, 180532720]

約数ペア:

[(1, 180532720), (2, 90266360), (4, 45133180), (5, 36106544), (8, 22566590), (10, 18053272), (16, 11283295), (20, 9026636), (40, 4513318), (80, 2256659), (1069, 168880), (2111, 85520), (2138, 84440), (4222, 42760), (4276, 42220), (5345, 33776), (8444, 21380), (8552, 21110), (10555, 17104), (10690, 16888)]