81184000

素因数分解:

$2^8\times 5^3\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:133

約数の個数: 144

約数和(自身を含む): 210450240

約数和(自身を除く): 129266240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 59, 64, 80, 86, 100, 118, 125, 128, 160, 172, 200, 215, 236, 250, 256, 295, 320, 344, 400, 430, 472, 500, 590, 640, 688, 800, 860, 944, 1000, 1075, 1180, 1280, 1376, 1475, 1600, 1720, 1888, 2000, 2150, 2360, 2537, 2752, 2950, 3200, 3440, 3776, 4000, 4300, 4720, 5074, 5375, 5504, 5900, 6400, 6880, 7375, 7552, 8000, 8600, 9440, 10148, 10750, 11008, 11800, 12685, 13760, 14750, 15104, 16000, 17200, 18880, 20296, 21500, 23600, 25370, 27520, 29500, 32000, 34400, 37760, 40592, 43000, 47200, 50740, 55040, 59000, 63425, 68800, 75520, 81184, 86000, 94400, 101480, 118000, 126850, 137600, 162368, 172000, 188800, 202960, 236000, 253700, 275200, 317125, 324736, 344000, 377600, 405920, 472000, 507400, 634250, 649472, 688000, 811840, 944000, 1014800, 1268500, 1376000, 1623680, 1888000, 2029600, 2537000, 3247360, 4059200, 5074000, 8118400, 10148000, 16236800, 20296000, 40592000, 81184000]

約数ペア:

[(1, 81184000), (2, 40592000), (4, 20296000), (5, 16236800), (8, 10148000), (10, 8118400), (16, 5074000), (20, 4059200), (25, 3247360), (32, 2537000), (40, 2029600), (43, 1888000), (50, 1623680), (59, 1376000), (64, 1268500), (80, 1014800), (86, 944000), (100, 811840), (118, 688000), (125, 649472), (128, 634250), (160, 507400), (172, 472000), (200, 405920), (215, 377600), (236, 344000), (250, 324736), (256, 317125), (295, 275200), (320, 253700), (344, 236000), (400, 202960), (430, 188800), (472, 172000), (500, 162368), (590, 137600), (640, 126850), (688, 118000), (800, 101480), (860, 94400), (944, 86000), (1000, 81184), (1075, 75520), (1180, 68800), (1280, 63425), (1376, 59000), (1475, 55040), (1600, 50740), (1720, 47200), (1888, 43000), (2000, 40592), (2150, 37760), (2360, 34400), (2537, 32000), (2752, 29500), (2950, 27520), (3200, 25370), (3440, 23600), (3776, 21500), (4000, 20296), (4300, 18880), (4720, 17200), (5074, 16000), (5375, 15104), (5504, 14750), (5900, 13760), (6400, 12685), (6880, 11800), (7375, 11008), (7552, 10750), (8000, 10148), (8600, 9440)]