159896660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{9439}}^1$

素因数の和:9477

約数の個数: 72

約数和(自身を含む): 421854720

約数和(自身を除く): 261958060

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3388, 4235, 8470, 9439, 16940, 18878, 37756, 47195, 66073, 94390, 103829, 132146, 188780, 207658, 264292, 330365, 415316, 519145, 660730, 726803, 1038290, 1142119, 1321460, 1453606, 2076580, 2284238, 2907212, 3634015, 4568476, 5710595, 7268030, 7994833, 11421190, 14536060, 15989666, 22842380, 31979332, 39974165, 79948330, 159896660]

約数ペア:

[(1, 159896660), (2, 79948330), (4, 39974165), (5, 31979332), (7, 22842380), (10, 15989666), (11, 14536060), (14, 11421190), (20, 7994833), (22, 7268030), (28, 5710595), (35, 4568476), (44, 3634015), (55, 2907212), (70, 2284238), (77, 2076580), (110, 1453606), (121, 1321460), (140, 1142119), (154, 1038290), (220, 726803), (242, 660730), (308, 519145), (385, 415316), (484, 330365), (605, 264292), (770, 207658), (847, 188780), (1210, 132146), (1540, 103829), (1694, 94390), (2420, 66073), (3388, 47195), (4235, 37756), (8470, 18878), (9439, 16940)]