1980810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1693}}^1$

素因数の和:1719

約数の個数: 48

約数和(自身を含む): 5549544

約数和(自身を除く): 3568734

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 1693, 3386, 5079, 8465, 10158, 15237, 16930, 22009, 25395, 30474, 44018, 50790, 66027, 76185, 110045, 132054, 152370, 198081, 220090, 330135, 396162, 660270, 990405, 1980810]

約数ペア:

[(1, 1980810), (2, 990405), (3, 660270), (5, 396162), (6, 330135), (9, 220090), (10, 198081), (13, 152370), (15, 132054), (18, 110045), (26, 76185), (30, 66027), (39, 50790), (45, 44018), (65, 30474), (78, 25395), (90, 22009), (117, 16930), (130, 15237), (195, 10158), (234, 8465), (390, 5079), (585, 3386), (1170, 1693)]