9870900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2531}}^1$

素因数の和:2561

約数の個数: 72

約数和(自身を含む): 30768864

約数和(自身を除く): 20897964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 2531, 3900, 5062, 7593, 10124, 12655, 15186, 25310, 30372, 32903, 37965, 50620, 63275, 65806, 75930, 98709, 126550, 131612, 151860, 164515, 189825, 197418, 253100, 329030, 379650, 394836, 493545, 658060, 759300, 822575, 987090, 1645150, 1974180, 2467725, 3290300, 4935450, 9870900]

約数ペア:

[(1, 9870900), (2, 4935450), (3, 3290300), (4, 2467725), (5, 1974180), (6, 1645150), (10, 987090), (12, 822575), (13, 759300), (15, 658060), (20, 493545), (25, 394836), (26, 379650), (30, 329030), (39, 253100), (50, 197418), (52, 189825), (60, 164515), (65, 151860), (75, 131612), (78, 126550), (100, 98709), (130, 75930), (150, 65806), (156, 63275), (195, 50620), (260, 37965), (300, 32903), (325, 30372), (390, 25310), (650, 15186), (780, 12655), (975, 10124), (1300, 7593), (1950, 5062), (2531, 3900)]