72590980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47137}}^1$

素因数の和:47164

約数の個数: 48

約数和(自身を含む): 190060416

約数和(自身を除く): 117469436

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, 47137, 94274, 188548, 235685, 329959, 471370, 518507, 659918, 942740, 1037014, 1319836, 1649795, 2074028, 2592535, 3299590, 3629549, 5185070, 6599180, 7259098, 10370140, 14518196, 18147745, 36295490, 72590980]

約数ペア:

[(1, 72590980), (2, 36295490), (4, 18147745), (5, 14518196), (7, 10370140), (10, 7259098), (11, 6599180), (14, 5185070), (20, 3629549), (22, 3299590), (28, 2592535), (35, 2074028), (44, 1649795), (55, 1319836), (70, 1037014), (77, 942740), (110, 659918), (140, 518507), (154, 471370), (220, 329959), (308, 235685), (385, 188548), (770, 94274), (1540, 47137)]