16664560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{653}}^1$

素因数の和:706

約数の個数: 80

約数和(自身を含む): 43791840

約数和(自身を除く): 27127280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 580, 638, 653, 880, 1160, 1276, 1306, 1595, 2320, 2552, 2612, 3190, 3265, 5104, 5224, 6380, 6530, 7183, 10448, 12760, 13060, 14366, 18937, 25520, 26120, 28732, 35915, 37874, 52240, 57464, 71830, 75748, 94685, 114928, 143660, 151496, 189370, 208307, 287320, 302992, 378740, 416614, 574640, 757480, 833228, 1041535, 1514960, 1666456, 2083070, 3332912, 4166140, 8332280, 16664560]

約数ペア:

[(1, 16664560), (2, 8332280), (4, 4166140), (5, 3332912), (8, 2083070), (10, 1666456), (11, 1514960), (16, 1041535), (20, 833228), (22, 757480), (29, 574640), (40, 416614), (44, 378740), (55, 302992), (58, 287320), (80, 208307), (88, 189370), (110, 151496), (116, 143660), (145, 114928), (176, 94685), (220, 75748), (232, 71830), (290, 57464), (319, 52240), (440, 37874), (464, 35915), (580, 28732), (638, 26120), (653, 25520), (880, 18937), (1160, 14366), (1276, 13060), (1306, 12760), (1595, 10448), (2320, 7183), (2552, 6530), (2612, 6380), (3190, 5224), (3265, 5104)]