81901740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1365029}}^1$

素因数の和:1365041

約数の個数: 24

約数和(自身を含む): 229325040

約数和(自身を除く): 147423300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1365029, 2730058, 4095087, 5460116, 6825145, 8190174, 13650290, 16380348, 20475435, 27300580, 40950870, 81901740]

約数ペア:

[(1, 81901740), (2, 40950870), (3, 27300580), (4, 20475435), (5, 16380348), (6, 13650290), (10, 8190174), (12, 6825145), (15, 5460116), (20, 4095087), (30, 2730058), (60, 1365029)]