28890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{107}}^1$

素因数の和:123

約数の個数: 32

約数和(自身を含む): 77760

約数和(自身を除く): 48870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 107, 135, 214, 270, 321, 535, 642, 963, 1070, 1605, 1926, 2889, 3210, 4815, 5778, 9630, 14445, 28890]

約数ペア:

[(1, 28890), (2, 14445), (3, 9630), (5, 5778), (6, 4815), (9, 3210), (10, 2889), (15, 1926), (18, 1605), (27, 1070), (30, 963), (45, 642), (54, 535), (90, 321), (107, 270), (135, 214)]