66877580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43427}}^1$

素因数の和:43454

約数の個数: 48

約数和(自身を含む): 175101696

約数和(自身を除く): 108224116

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 43427, 86854, 173708, 217135, 303989, 434270, 477697, 607978, 868540, 955394, 1215956, 1519945, 1910788, 2388485, 3039890, 3343879, 4776970, 6079780, 6687758, 9553940, 13375516, 16719395, 33438790, 66877580]

約数ペア:

[(1, 66877580), (2, 33438790), (4, 16719395), (5, 13375516), (7, 9553940), (10, 6687758), (11, 6079780), (14, 4776970), (20, 3343879), (22, 3039890), (28, 2388485), (35, 1910788), (44, 1519945), (55, 1215956), (70, 955394), (77, 868540), (110, 607978), (140, 477697), (154, 434270), (220, 303989), (308, 217135), (385, 173708), (770, 86854), (1540, 43427)]