18804901620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{488947}}^1$

素因数の和:489600

約数の個数: 48

約数和(自身を含む): 52735975488

約数和(自身を除く): 33931073868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 641, 1282, 1923, 2564, 3205, 3846, 6410, 7692, 9615, 12820, 19230, 38460, 488947, 977894, 1466841, 1955788, 2444735, 2933682, 4889470, 5867364, 7334205, 9778940, 14668410, 29336820, 313415027, 626830054, 940245081, 1253660108, 1567075135, 1880490162, 3134150270, 3760980324, 4701225405, 6268300540, 9402450810, 18804901620]

約数ペア:

[(1, 18804901620), (2, 9402450810), (3, 6268300540), (4, 4701225405), (5, 3760980324), (6, 3134150270), (10, 1880490162), (12, 1567075135), (15, 1253660108), (20, 940245081), (30, 626830054), (60, 313415027), (641, 29336820), (1282, 14668410), (1923, 9778940), (2564, 7334205), (3205, 5867364), (3846, 4889470), (6410, 2933682), (7692, 2444735), (9615, 1955788), (12820, 1466841), (19230, 977894), (38460, 488947)]