64491680

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{36643}}^1$

素因数の和:36669

約数の個数: 48

約数和(自身を含む): 166217184

約数和(自身を除く): 101725504

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 36643, 73286, 146572, 183215, 293144, 366430, 403073, 586288, 732860, 806146, 1172576, 1465720, 1612292, 2015365, 2931440, 3224584, 4030730, 5862880, 6449168, 8061460, 12898336, 16122920, 32245840, 64491680]

約数ペア:

[(1, 64491680), (2, 32245840), (4, 16122920), (5, 12898336), (8, 8061460), (10, 6449168), (11, 5862880), (16, 4030730), (20, 3224584), (22, 2931440), (32, 2015365), (40, 1612292), (44, 1465720), (55, 1172576), (80, 806146), (88, 732860), (110, 586288), (160, 403073), (176, 366430), (220, 293144), (352, 183215), (440, 146572), (880, 73286), (1760, 36643)]