68664640

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19507}}^1$

素因数の和:19535

約数の個数: 56

約数和(自身を含む): 178381152

約数和(自身を除く): 109716512

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 19507, 39014, 78028, 97535, 156056, 195070, 214577, 312112, 390140, 429154, 624224, 780280, 858308, 1072885, 1248448, 1560560, 1716616, 2145770, 3121120, 3433232, 4291540, 6242240, 6866464, 8583080, 13732928, 17166160, 34332320, 68664640]

約数ペア:

[(1, 68664640), (2, 34332320), (4, 17166160), (5, 13732928), (8, 8583080), (10, 6866464), (11, 6242240), (16, 4291540), (20, 3433232), (22, 3121120), (32, 2145770), (40, 1716616), (44, 1560560), (55, 1248448), (64, 1072885), (80, 858308), (88, 780280), (110, 624224), (160, 429154), (176, 390140), (220, 312112), (320, 214577), (352, 195070), (440, 156056), (704, 97535), (880, 78028), (1760, 39014), (3520, 19507)]