81704000

素因数分解:

$2^6\times 5^3\times 7^1\times {\mathrm{1459}}^1$

素因数の和:1493

約数の個数: 112

約数和(自身を含む): 231404160

約数和(自身を除く): 149700160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 125, 140, 160, 175, 200, 224, 250, 280, 320, 350, 400, 448, 500, 560, 700, 800, 875, 1000, 1120, 1400, 1459, 1600, 1750, 2000, 2240, 2800, 2918, 3500, 4000, 5600, 5836, 7000, 7295, 8000, 10213, 11200, 11672, 14000, 14590, 20426, 23344, 28000, 29180, 36475, 40852, 46688, 51065, 56000, 58360, 72950, 81704, 93376, 102130, 116720, 145900, 163408, 182375, 204260, 233440, 255325, 291800, 326816, 364750, 408520, 466880, 510650, 583600, 653632, 729500, 817040, 1021300, 1167200, 1276625, 1459000, 1634080, 2042600, 2334400, 2553250, 2918000, 3268160, 4085200, 5106500, 5836000, 8170400, 10213000, 11672000, 16340800, 20426000, 40852000, 81704000]

約数ペア:

[(1, 81704000), (2, 40852000), (4, 20426000), (5, 16340800), (7, 11672000), (8, 10213000), (10, 8170400), (14, 5836000), (16, 5106500), (20, 4085200), (25, 3268160), (28, 2918000), (32, 2553250), (35, 2334400), (40, 2042600), (50, 1634080), (56, 1459000), (64, 1276625), (70, 1167200), (80, 1021300), (100, 817040), (112, 729500), (125, 653632), (140, 583600), (160, 510650), (175, 466880), (200, 408520), (224, 364750), (250, 326816), (280, 291800), (320, 255325), (350, 233440), (400, 204260), (448, 182375), (500, 163408), (560, 145900), (700, 116720), (800, 102130), (875, 93376), (1000, 81704), (1120, 72950), (1400, 58360), (1459, 56000), (1600, 51065), (1750, 46688), (2000, 40852), (2240, 36475), (2800, 29180), (2918, 28000), (3500, 23344), (4000, 20426), (5600, 14590), (5836, 14000), (7000, 11672), (7295, 11200), (8000, 10213)]