128058420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{304901}}^1$

素因数の和:304920

約数の個数: 48

約数和(自身を含む): 409788288

約数和(自身を除く): 281729868

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, 304901, 609802, 914703, 1219604, 1524505, 1829406, 2134307, 3049010, 3658812, 4268614, 4573515, 6098020, 6402921, 8537228, 9147030, 10671535, 12805842, 18294060, 21343070, 25611684, 32014605, 42686140, 64029210, 128058420]

約数ペア:

[(1, 128058420), (2, 64029210), (3, 42686140), (4, 32014605), (5, 25611684), (6, 21343070), (7, 18294060), (10, 12805842), (12, 10671535), (14, 9147030), (15, 8537228), (20, 6402921), (21, 6098020), (28, 4573515), (30, 4268614), (35, 3658812), (42, 3049010), (60, 2134307), (70, 1829406), (84, 1524505), (105, 1219604), (140, 914703), (210, 609802), (420, 304901)]