1540660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 3628800

約数和(自身を除く): 2088140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 149, 188, 220, 235, 298, 470, 517, 596, 745, 940, 1034, 1490, 1639, 2068, 2585, 2980, 3278, 5170, 6556, 7003, 8195, 10340, 14006, 16390, 28012, 32780, 35015, 70030, 77033, 140060, 154066, 308132, 385165, 770330, 1540660]

約数ペア:

[(1, 1540660), (2, 770330), (4, 385165), (5, 308132), (10, 154066), (11, 140060), (20, 77033), (22, 70030), (44, 35015), (47, 32780), (55, 28012), (94, 16390), (110, 14006), (149, 10340), (188, 8195), (220, 7003), (235, 6556), (298, 5170), (470, 3278), (517, 2980), (596, 2585), (745, 2068), (940, 1639), (1034, 1490)]