22401680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{367}}^1$

素因数の和:496

約数の個数: 80

約数和(自身を含む): 60234240

約数和(自身を除く): 37832560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 109, 112, 140, 218, 280, 367, 436, 545, 560, 734, 763, 872, 1090, 1468, 1526, 1744, 1835, 2180, 2569, 2936, 3052, 3670, 3815, 4360, 5138, 5872, 6104, 7340, 7630, 8720, 10276, 12208, 12845, 14680, 15260, 20552, 25690, 29360, 30520, 40003, 41104, 51380, 61040, 80006, 102760, 160012, 200015, 205520, 280021, 320024, 400030, 560042, 640048, 800060, 1120084, 1400105, 1600120, 2240168, 2800210, 3200240, 4480336, 5600420, 11200840, 22401680]

約数ペア:

[(1, 22401680), (2, 11200840), (4, 5600420), (5, 4480336), (7, 3200240), (8, 2800210), (10, 2240168), (14, 1600120), (16, 1400105), (20, 1120084), (28, 800060), (35, 640048), (40, 560042), (56, 400030), (70, 320024), (80, 280021), (109, 205520), (112, 200015), (140, 160012), (218, 102760), (280, 80006), (367, 61040), (436, 51380), (545, 41104), (560, 40003), (734, 30520), (763, 29360), (872, 25690), (1090, 20552), (1468, 15260), (1526, 14680), (1744, 12845), (1835, 12208), (2180, 10276), (2569, 8720), (2936, 7630), (3052, 7340), (3670, 6104), (3815, 5872), (4360, 5138)]