1317680720

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{350447}}^1$

素因数の和:350507

約数の個数: 40

約数和(自身を含む): 3128799744

約数和(自身を除く): 1811119024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 350447, 700894, 1401788, 1752235, 2803576, 3504470, 5607152, 7008940, 14017880, 16471009, 28035760, 32942018, 65884036, 82355045, 131768072, 164710090, 263536144, 329420180, 658840360, 1317680720]

約数ペア:

[(1, 1317680720), (2, 658840360), (4, 329420180), (5, 263536144), (8, 164710090), (10, 131768072), (16, 82355045), (20, 65884036), (40, 32942018), (47, 28035760), (80, 16471009), (94, 14017880), (188, 7008940), (235, 5607152), (376, 3504470), (470, 2803576), (752, 1752235), (940, 1401788), (1880, 700894), (3760, 350447)]