66806820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1759}}^1$

素因数の和:1985

約数の個数: 72

約数和(自身を含む): 203723520

約数和(自身を除く): 136916700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 211, 422, 633, 844, 1055, 1266, 1759, 1899, 2110, 2532, 3165, 3518, 3798, 4220, 5277, 6330, 7036, 7596, 8795, 9495, 10554, 12660, 15831, 17590, 18990, 21108, 26385, 31662, 35180, 37980, 52770, 63324, 79155, 105540, 158310, 316620, 371149, 742298, 1113447, 1484596, 1855745, 2226894, 3340341, 3711490, 4453788, 5567235, 6680682, 7422980, 11134470, 13361364, 16701705, 22268940, 33403410, 66806820]

約数ペア:

[(1, 66806820), (2, 33403410), (3, 22268940), (4, 16701705), (5, 13361364), (6, 11134470), (9, 7422980), (10, 6680682), (12, 5567235), (15, 4453788), (18, 3711490), (20, 3340341), (30, 2226894), (36, 1855745), (45, 1484596), (60, 1113447), (90, 742298), (180, 371149), (211, 316620), (422, 158310), (633, 105540), (844, 79155), (1055, 63324), (1266, 52770), (1759, 37980), (1899, 35180), (2110, 31662), (2532, 26385), (3165, 21108), (3518, 18990), (3798, 17590), (4220, 15831), (5277, 12660), (6330, 10554), (7036, 9495), (7596, 8795)]