660270

素因数分解:

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

素因数の和:1716

約数の個数: 32

約数和(自身を含む): 1707552

約数和(自身を除く): 1047282

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 1693, 3386, 5079, 8465, 10158, 16930, 22009, 25395, 44018, 50790, 66027, 110045, 132054, 220090, 330135, 660270]

約数ペア:

[(1, 660270), (2, 330135), (3, 220090), (5, 132054), (6, 110045), (10, 66027), (13, 50790), (15, 44018), (26, 25395), (30, 22009), (39, 16930), (65, 10158), (78, 8465), (130, 5079), (195, 3386), (390, 1693)]