3081320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 7776000

約数和(自身を除く): 4694680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 149, 188, 220, 235, 298, 376, 440, 470, 517, 596, 745, 940, 1034, 1192, 1490, 1639, 1880, 2068, 2585, 2980, 3278, 4136, 5170, 5960, 6556, 7003, 8195, 10340, 13112, 14006, 16390, 20680, 28012, 32780, 35015, 56024, 65560, 70030, 77033, 140060, 154066, 280120, 308132, 385165, 616264, 770330, 1540660, 3081320]

約数ペア:

[(1, 3081320), (2, 1540660), (4, 770330), (5, 616264), (8, 385165), (10, 308132), (11, 280120), (20, 154066), (22, 140060), (40, 77033), (44, 70030), (47, 65560), (55, 56024), (88, 35015), (94, 32780), (110, 28012), (149, 20680), (188, 16390), (220, 14006), (235, 13112), (298, 10340), (376, 8195), (440, 7003), (470, 6556), (517, 5960), (596, 5170), (745, 4136), (940, 3278), (1034, 2980), (1192, 2585), (1490, 2068), (1639, 1880)]