2019551220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{211693}}^1$

素因数の和:211761

約数の個数: 72

約数和(自身を含む): 6241585896

約数和(自身を除く): 4222034676

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 2385, 3180, 4770, 9540, 211693, 423386, 635079, 846772, 1058465, 1270158, 1905237, 2116930, 2540316, 3175395, 3810474, 4233860, 6350790, 7620948, 9526185, 11219729, 12701580, 19052370, 22439458, 33659187, 38104740, 44878916, 56098645, 67318374, 100977561, 112197290, 134636748, 168295935, 201955122, 224394580, 336591870, 403910244, 504887805, 673183740, 1009775610, 2019551220]

約数ペア:

[(1, 2019551220), (2, 1009775610), (3, 673183740), (4, 504887805), (5, 403910244), (6, 336591870), (9, 224394580), (10, 201955122), (12, 168295935), (15, 134636748), (18, 112197290), (20, 100977561), (30, 67318374), (36, 56098645), (45, 44878916), (53, 38104740), (60, 33659187), (90, 22439458), (106, 19052370), (159, 12701580), (180, 11219729), (212, 9526185), (265, 7620948), (318, 6350790), (477, 4233860), (530, 3810474), (636, 3175395), (795, 2540316), (954, 2116930), (1060, 1905237), (1590, 1270158), (1908, 1058465), (2385, 846772), (3180, 635079), (4770, 423386), (9540, 211693)]