57780

素因数分解:

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

素因数の和:125

約数の個数: 48

約数和(自身を含む): 181440

約数和(自身を除く): 123660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 107, 108, 135, 180, 214, 270, 321, 428, 535, 540, 642, 963, 1070, 1284, 1605, 1926, 2140, 2889, 3210, 3852, 4815, 5778, 6420, 9630, 11556, 14445, 19260, 28890, 57780]

約数ペア:

[(1, 57780), (2, 28890), (3, 19260), (4, 14445), (5, 11556), (6, 9630), (9, 6420), (10, 5778), (12, 4815), (15, 3852), (18, 3210), (20, 2889), (27, 2140), (30, 1926), (36, 1605), (45, 1284), (54, 1070), (60, 963), (90, 642), (107, 540), (108, 535), (135, 428), (180, 321), (214, 270)]