78889734180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1973}}^1\times {\mathrm{222137}}^1$

素因数の和:224125

約数の個数: 72

約数和(自身を含む): 239421224952

約数和(自身を除く): 160531490772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1973, 3946, 5919, 7892, 9865, 11838, 17757, 19730, 23676, 29595, 35514, 39460, 59190, 71028, 88785, 118380, 177570, 222137, 355140, 444274, 666411, 888548, 1110685, 1332822, 1999233, 2221370, 2665644, 3332055, 3998466, 4442740, 6664110, 7996932, 9996165, 13328220, 19992330, 39984660, 438276301, 876552602, 1314828903, 1753105204, 2191381505, 2629657806, 3944486709, 4382763010, 5259315612, 6574144515, 7888973418, 8765526020, 13148289030, 15777946836, 19722433545, 26296578060, 39444867090, 78889734180]

約数ペア:

[(1, 78889734180), (2, 39444867090), (3, 26296578060), (4, 19722433545), (5, 15777946836), (6, 13148289030), (9, 8765526020), (10, 7888973418), (12, 6574144515), (15, 5259315612), (18, 4382763010), (20, 3944486709), (30, 2629657806), (36, 2191381505), (45, 1753105204), (60, 1314828903), (90, 876552602), (180, 438276301), (1973, 39984660), (3946, 19992330), (5919, 13328220), (7892, 9996165), (9865, 7996932), (11838, 6664110), (17757, 4442740), (19730, 3998466), (23676, 3332055), (29595, 2665644), (35514, 2221370), (39460, 1999233), (59190, 1332822), (71028, 1110685), (88785, 888548), (118380, 666411), (177570, 444274), (222137, 355140)]