643320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{1787}}^1$

素因数の和:1804

約数の個数: 48

約数和(自身を含む): 2091960

約数和(自身を除く): 1448640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 1787, 3574, 5361, 7148, 8935, 10722, 14296, 16083, 17870, 21444, 26805, 32166, 35740, 42888, 53610, 64332, 71480, 80415, 107220, 128664, 160830, 214440, 321660, 643320]

約数ペア:

[(1, 643320), (2, 321660), (3, 214440), (4, 160830), (5, 128664), (6, 107220), (8, 80415), (9, 71480), (10, 64332), (12, 53610), (15, 42888), (18, 35740), (20, 32166), (24, 26805), (30, 21444), (36, 17870), (40, 16083), (45, 14296), (60, 10722), (72, 8935), (90, 7148), (120, 5361), (180, 3574), (360, 1787)]