1286640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{1787}}^1$

素因数の和:1806

約数の個数: 60

約数和(自身を含む): 4323384

約数和(自身を除く): 3036744

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 1787, 3574, 5361, 7148, 8935, 10722, 14296, 16083, 17870, 21444, 26805, 28592, 32166, 35740, 42888, 53610, 64332, 71480, 80415, 85776, 107220, 128664, 142960, 160830, 214440, 257328, 321660, 428880, 643320, 1286640]

約数ペア:

[(1, 1286640), (2, 643320), (3, 428880), (4, 321660), (5, 257328), (6, 214440), (8, 160830), (9, 142960), (10, 128664), (12, 107220), (15, 85776), (16, 80415), (18, 71480), (20, 64332), (24, 53610), (30, 42888), (36, 35740), (40, 32166), (45, 28592), (48, 26805), (60, 21444), (72, 17870), (80, 16083), (90, 14296), (120, 10722), (144, 8935), (180, 7148), (240, 5361), (360, 3574), (720, 1787)]