678788440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{503}}^1\times {\mathrm{3067}}^1$

素因数の和:3592

約数の個数: 64

約数和(自身を含む): 1669973760

約数和(自身を除く): 991185320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 503, 1006, 2012, 2515, 3067, 4024, 5030, 5533, 6134, 10060, 11066, 12268, 15335, 20120, 22132, 24536, 27665, 30670, 33737, 44264, 55330, 61340, 67474, 110660, 122680, 134948, 168685, 221320, 269896, 337370, 674740, 1349480, 1542701, 3085402, 6170804, 7713505, 12341608, 15427010, 16969711, 30854020, 33939422, 61708040, 67878844, 84848555, 135757688, 169697110, 339394220, 678788440]

約数ペア:

[(1, 678788440), (2, 339394220), (4, 169697110), (5, 135757688), (8, 84848555), (10, 67878844), (11, 61708040), (20, 33939422), (22, 30854020), (40, 16969711), (44, 15427010), (55, 12341608), (88, 7713505), (110, 6170804), (220, 3085402), (440, 1542701), (503, 1349480), (1006, 674740), (2012, 337370), (2515, 269896), (3067, 221320), (4024, 168685), (5030, 134948), (5533, 122680), (6134, 110660), (10060, 67474), (11066, 61340), (12268, 55330), (15335, 44264), (20120, 33737), (22132, 30670), (24536, 27665)]