80291220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{4831}}^1$

素因数の和:5120

約数の個数: 48

約数和(自身を含む): 225673728

約数和(自身を除く): 145382508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 277, 554, 831, 1108, 1385, 1662, 2770, 3324, 4155, 4831, 5540, 8310, 9662, 14493, 16620, 19324, 24155, 28986, 48310, 57972, 72465, 96620, 144930, 289860, 1338187, 2676374, 4014561, 5352748, 6690935, 8029122, 13381870, 16058244, 20072805, 26763740, 40145610, 80291220]

約数ペア:

[(1, 80291220), (2, 40145610), (3, 26763740), (4, 20072805), (5, 16058244), (6, 13381870), (10, 8029122), (12, 6690935), (15, 5352748), (20, 4014561), (30, 2676374), (60, 1338187), (277, 289860), (554, 144930), (831, 96620), (1108, 72465), (1385, 57972), (1662, 48310), (2770, 28986), (3324, 24155), (4155, 19324), (4831, 16620), (5540, 14493), (8310, 9662)]