218970840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{165887}}^1$

素因数の和:165912

約数の個数: 64

約数和(自身を含む): 716636160

約数和(自身を除く): 497665320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 165887, 331774, 497661, 663548, 829435, 995322, 1327096, 1658870, 1824757, 1990644, 2488305, 3317740, 3649514, 3981288, 4976610, 5474271, 6635480, 7299028, 9123785, 9953220, 10948542, 14598056, 18247570, 19906440, 21897084, 27371355, 36495140, 43794168, 54742710, 72990280, 109485420, 218970840]

約数ペア:

[(1, 218970840), (2, 109485420), (3, 72990280), (4, 54742710), (5, 43794168), (6, 36495140), (8, 27371355), (10, 21897084), (11, 19906440), (12, 18247570), (15, 14598056), (20, 10948542), (22, 9953220), (24, 9123785), (30, 7299028), (33, 6635480), (40, 5474271), (44, 4976610), (55, 3981288), (60, 3649514), (66, 3317740), (88, 2488305), (110, 1990644), (120, 1824757), (132, 1658870), (165, 1327096), (220, 995322), (264, 829435), (330, 663548), (440, 497661), (660, 331774), (1320, 165887)]