80206425

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1613}}^1$

素因数の和:1659

約数の個数: 72

約数和(自身を含む): 163911384

約数和(自身を除く): 83704959

約数列:

[1, 3, 5, 9, 13, 15, 17, 25, 39, 45, 51, 65, 75, 85, 117, 153, 195, 221, 225, 255, 325, 425, 585, 663, 765, 975, 1105, 1275, 1613, 1989, 2925, 3315, 3825, 4839, 5525, 8065, 9945, 14517, 16575, 20969, 24195, 27421, 40325, 49725, 62907, 72585, 82263, 104845, 120975, 137105, 188721, 246789, 314535, 356473, 362925, 411315, 524225, 685525, 943605, 1069419, 1233945, 1572675, 1782365, 2056575, 3208257, 4718025, 5347095, 6169725, 8911825, 16041285, 26735475, 80206425]

約数ペア:

[(1, 80206425), (3, 26735475), (5, 16041285), (9, 8911825), (13, 6169725), (15, 5347095), (17, 4718025), (25, 3208257), (39, 2056575), (45, 1782365), (51, 1572675), (65, 1233945), (75, 1069419), (85, 943605), (117, 685525), (153, 524225), (195, 411315), (221, 362925), (225, 356473), (255, 314535), (325, 246789), (425, 188721), (585, 137105), (663, 120975), (765, 104845), (975, 82263), (1105, 72585), (1275, 62907), (1613, 49725), (1989, 40325), (2925, 27421), (3315, 24195), (3825, 20969), (4839, 16575), (5525, 14517), (8065, 9945)]