311966820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157559}}^1$

素因数の和:157585

約数の個数: 72

約数和(自身を含む): 1032333120

約数和(自身を除く): 720366300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 157559, 315118, 472677, 630236, 787795, 945354, 1418031, 1575590, 1733149, 1890708, 2363385, 2836062, 3151180, 3466298, 4726770, 5199447, 5672124, 6932596, 7090155, 8665745, 9453540, 10398894, 14180310, 15598341, 17331490, 20797788, 25997235, 28360620, 31196682, 34662980, 51994470, 62393364, 77991705, 103988940, 155983410, 311966820]

約数ペア:

[(1, 311966820), (2, 155983410), (3, 103988940), (4, 77991705), (5, 62393364), (6, 51994470), (9, 34662980), (10, 31196682), (11, 28360620), (12, 25997235), (15, 20797788), (18, 17331490), (20, 15598341), (22, 14180310), (30, 10398894), (33, 9453540), (36, 8665745), (44, 7090155), (45, 6932596), (55, 5672124), (60, 5199447), (66, 4726770), (90, 3466298), (99, 3151180), (110, 2836062), (132, 2363385), (165, 1890708), (180, 1733149), (198, 1575590), (220, 1418031), (330, 945354), (396, 787795), (495, 630236), (660, 472677), (990, 315118), (1980, 157559)]