27208020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{64781}}^1$

素因数の和:64800

約数の個数: 48

約数和(自身を含む): 87067008

約数和(自身を除く): 59858988

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, 64781, 129562, 194343, 259124, 323905, 388686, 453467, 647810, 777372, 906934, 971715, 1295620, 1360401, 1813868, 1943430, 2267335, 2720802, 3886860, 4534670, 5441604, 6802005, 9069340, 13604010, 27208020]

約数ペア:

[(1, 27208020), (2, 13604010), (3, 9069340), (4, 6802005), (5, 5441604), (6, 4534670), (7, 3886860), (10, 2720802), (12, 2267335), (14, 1943430), (15, 1813868), (20, 1360401), (21, 1295620), (28, 971715), (30, 906934), (35, 777372), (42, 647810), (60, 453467), (70, 388686), (84, 323905), (105, 259124), (140, 194343), (210, 129562), (420, 64781)]