271081020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{645431}}^1$

素因数の和:645450

約数の個数: 48

約数和(自身を含む): 867460608

約数和(自身を除く): 596379588

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 645431, 1290862, 1936293, 2581724, 3227155, 3872586, 4518017, 6454310, 7745172, 9036034, 9681465, 12908620, 13554051, 18072068, 19362930, 22590085, 27108102, 38725860, 45180170, 54216204, 67770255, 90360340, 135540510, 271081020]

約数ペア:

[(1, 271081020), (2, 135540510), (3, 90360340), (4, 67770255), (5, 54216204), (6, 45180170), (7, 38725860), (10, 27108102), (12, 22590085), (14, 19362930), (15, 18072068), (20, 13554051), (21, 12908620), (28, 9681465), (30, 9036034), (35, 7745172), (42, 6454310), (60, 4518017), (70, 3872586), (84, 3227155), (105, 2581724), (140, 1936293), (210, 1290862), (420, 645431)]