28742520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{239521}}^1$

素因数の和:239535

約数の個数: 32

約数和(自身を含む): 86227920

約数和(自身を除く): 57485400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 239521, 479042, 718563, 958084, 1197605, 1437126, 1916168, 2395210, 2874252, 3592815, 4790420, 5748504, 7185630, 9580840, 14371260, 28742520]

約数ペア:

[(1, 28742520), (2, 14371260), (3, 9580840), (4, 7185630), (5, 5748504), (6, 4790420), (8, 3592815), (10, 2874252), (12, 2395210), (15, 1916168), (20, 1437126), (24, 1197605), (30, 958084), (40, 718563), (60, 479042), (120, 239521)]