28221720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{235181}}^1$

素因数の和:235195

約数の個数: 32

約数和(自身を含む): 84665520

約数和(自身を除く): 56443800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 235181, 470362, 705543, 940724, 1175905, 1411086, 1881448, 2351810, 2822172, 3527715, 4703620, 5644344, 7055430, 9407240, 14110860, 28221720]

約数ペア:

[(1, 28221720), (2, 14110860), (3, 9407240), (4, 7055430), (5, 5644344), (6, 4703620), (8, 3527715), (10, 2822172), (12, 2351810), (15, 1881448), (20, 1411086), (24, 1175905), (30, 940724), (40, 705543), (60, 470362), (120, 235181)]