166205320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1361}}^1$

素因数の和:1486

約数の個数: 64

約数和(自身を含む): 388333440

約数和(自身を除く): 222128120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 71, 86, 142, 172, 215, 284, 344, 355, 430, 568, 710, 860, 1361, 1420, 1720, 2722, 2840, 3053, 5444, 6106, 6805, 10888, 12212, 13610, 15265, 24424, 27220, 30530, 54440, 58523, 61060, 96631, 117046, 122120, 193262, 234092, 292615, 386524, 468184, 483155, 585230, 773048, 966310, 1170460, 1932620, 2340920, 3865240, 4155133, 8310266, 16620532, 20775665, 33241064, 41551330, 83102660, 166205320]

約数ペア:

[(1, 166205320), (2, 83102660), (4, 41551330), (5, 33241064), (8, 20775665), (10, 16620532), (20, 8310266), (40, 4155133), (43, 3865240), (71, 2340920), (86, 1932620), (142, 1170460), (172, 966310), (215, 773048), (284, 585230), (344, 483155), (355, 468184), (430, 386524), (568, 292615), (710, 234092), (860, 193262), (1361, 122120), (1420, 117046), (1720, 96631), (2722, 61060), (2840, 58523), (3053, 54440), (5444, 30530), (6106, 27220), (6805, 24424), (10888, 15265), (12212, 13610)]