180961880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{13267}}^1$

素因数の和:13320

約数の個数: 64

約数和(自身を含む): 458542080

約数和(自身を除く): 277580200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 6820, 13267, 13640, 26534, 53068, 66335, 106136, 132670, 145937, 265340, 291874, 411277, 530680, 583748, 729685, 822554, 1167496, 1459370, 1645108, 2056385, 2918740, 3290216, 4112770, 4524047, 5837480, 8225540, 9048094, 16451080, 18096188, 22620235, 36192376, 45240470, 90480940, 180961880]

約数ペア:

[(1, 180961880), (2, 90480940), (4, 45240470), (5, 36192376), (8, 22620235), (10, 18096188), (11, 16451080), (20, 9048094), (22, 8225540), (31, 5837480), (40, 4524047), (44, 4112770), (55, 3290216), (62, 2918740), (88, 2056385), (110, 1645108), (124, 1459370), (155, 1167496), (220, 822554), (248, 729685), (310, 583748), (341, 530680), (440, 411277), (620, 291874), (682, 265340), (1240, 145937), (1364, 132670), (1705, 106136), (2728, 66335), (3410, 53068), (6820, 26534), (13267, 13640)]