1555363480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{75211}}^1$

素因数の和:75280

約数の個数: 64

約数和(自身を含む): 3898990080

約数和(自身を除く): 2343626600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 376, 440, 470, 517, 940, 1034, 1880, 2068, 2585, 4136, 5170, 10340, 20680, 75211, 150422, 300844, 376055, 601688, 752110, 827321, 1504220, 1654642, 3008440, 3309284, 3534917, 4136605, 6618568, 7069834, 8273210, 14139668, 16546420, 17674585, 28279336, 33092840, 35349170, 38884087, 70698340, 77768174, 141396680, 155536348, 194420435, 311072696, 388840870, 777681740, 1555363480]

約数ペア:

[(1, 1555363480), (2, 777681740), (4, 388840870), (5, 311072696), (8, 194420435), (10, 155536348), (11, 141396680), (20, 77768174), (22, 70698340), (40, 38884087), (44, 35349170), (47, 33092840), (55, 28279336), (88, 17674585), (94, 16546420), (110, 14139668), (188, 8273210), (220, 7069834), (235, 6618568), (376, 4136605), (440, 3534917), (470, 3309284), (517, 3008440), (940, 1654642), (1034, 1504220), (1880, 827321), (2068, 752110), (2585, 601688), (4136, 376055), (5170, 300844), (10340, 150422), (20680, 75211)]