180158980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{4337}}^1$

素因数の和:4444

約数の個数: 48

約数和(自身を含む): 396458496

約数和(自身を除く): 216299516

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 67, 124, 134, 155, 268, 310, 335, 620, 670, 1340, 2077, 4154, 4337, 8308, 8674, 10385, 17348, 20770, 21685, 41540, 43370, 86740, 134447, 268894, 290579, 537788, 581158, 672235, 1162316, 1344470, 1452895, 2688940, 2905790, 5811580, 9007949, 18015898, 36031796, 45039745, 90079490, 180158980]

約数ペア:

[(1, 180158980), (2, 90079490), (4, 45039745), (5, 36031796), (10, 18015898), (20, 9007949), (31, 5811580), (62, 2905790), (67, 2688940), (124, 1452895), (134, 1344470), (155, 1162316), (268, 672235), (310, 581158), (335, 537788), (620, 290579), (670, 268894), (1340, 134447), (2077, 86740), (4154, 43370), (4337, 41540), (8308, 21685), (8674, 20770), (10385, 17348)]