31158660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{929}}^1$

素因数の和:997

約数の個数: 96

約数和(自身を含む): 96243840

約数和(自身を除く): 65085180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 43, 52, 60, 65, 78, 86, 129, 130, 156, 172, 195, 215, 258, 260, 390, 430, 516, 559, 645, 780, 860, 929, 1118, 1290, 1677, 1858, 2236, 2580, 2787, 2795, 3354, 3716, 4645, 5574, 5590, 6708, 8385, 9290, 11148, 11180, 12077, 13935, 16770, 18580, 24154, 27870, 33540, 36231, 39947, 48308, 55740, 60385, 72462, 79894, 119841, 120770, 144924, 159788, 181155, 199735, 239682, 241540, 362310, 399470, 479364, 519311, 599205, 724620, 798940, 1038622, 1198410, 1557933, 2077244, 2396820, 2596555, 3115866, 5193110, 6231732, 7789665, 10386220, 15579330, 31158660]

約数ペア:

[(1, 31158660), (2, 15579330), (3, 10386220), (4, 7789665), (5, 6231732), (6, 5193110), (10, 3115866), (12, 2596555), (13, 2396820), (15, 2077244), (20, 1557933), (26, 1198410), (30, 1038622), (39, 798940), (43, 724620), (52, 599205), (60, 519311), (65, 479364), (78, 399470), (86, 362310), (129, 241540), (130, 239682), (156, 199735), (172, 181155), (195, 159788), (215, 144924), (258, 120770), (260, 119841), (390, 79894), (430, 72462), (516, 60385), (559, 55740), (645, 48308), (780, 39947), (860, 36231), (929, 33540), (1118, 27870), (1290, 24154), (1677, 18580), (1858, 16770), (2236, 13935), (2580, 12077), (2787, 11180), (2795, 11148), (3354, 9290), (3716, 8385), (4645, 6708), (5574, 5590)]