1320540

素因数分解:

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

素因数の和:1718

約数の個数: 48

約数和(自身を含む): 3984288

約数和(自身を除く): 2663748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 1693, 3386, 5079, 6772, 8465, 10158, 16930, 20316, 22009, 25395, 33860, 44018, 50790, 66027, 88036, 101580, 110045, 132054, 220090, 264108, 330135, 440180, 660270, 1320540]

約数ペア:

[(1, 1320540), (2, 660270), (3, 440180), (4, 330135), (5, 264108), (6, 220090), (10, 132054), (12, 110045), (13, 101580), (15, 88036), (20, 66027), (26, 50790), (30, 44018), (39, 33860), (52, 25395), (60, 22009), (65, 20316), (78, 16930), (130, 10158), (156, 8465), (195, 6772), (260, 5079), (390, 3386), (780, 1693)]