81321600

素因数分解:

$2^7\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:267

約数の個数: 192

約数和(自身を含む): 275473440

約数和(自身を除く): 194151840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 43, 48, 50, 60, 64, 75, 80, 86, 96, 100, 120, 128, 129, 150, 160, 172, 192, 197, 200, 215, 240, 258, 300, 320, 344, 384, 394, 400, 430, 480, 516, 591, 600, 640, 645, 688, 788, 800, 860, 960, 985, 1032, 1075, 1182, 1200, 1290, 1376, 1576, 1600, 1720, 1920, 1970, 2064, 2150, 2364, 2400, 2580, 2752, 2955, 3152, 3200, 3225, 3440, 3940, 4128, 4300, 4728, 4800, 4925, 5160, 5504, 5910, 6304, 6450, 6880, 7880, 8256, 8471, 8600, 9456, 9600, 9850, 10320, 11820, 12608, 12900, 13760, 14775, 15760, 16512, 16942, 17200, 18912, 19700, 20640, 23640, 25216, 25413, 25800, 27520, 29550, 31520, 33884, 34400, 37824, 39400, 41280, 42355, 47280, 50826, 51600, 59100, 63040, 67768, 68800, 75648, 78800, 82560, 84710, 94560, 101652, 103200, 118200, 126080, 127065, 135536, 137600, 157600, 169420, 189120, 203304, 206400, 211775, 236400, 254130, 271072, 315200, 338840, 378240, 406608, 412800, 423550, 472800, 508260, 542144, 630400, 635325, 677680, 813216, 847100, 945600, 1016520, 1084288, 1270650, 1355360, 1626432, 1694200, 1891200, 2033040, 2541300, 2710720, 3252864, 3388400, 4066080, 5082600, 5421440, 6776800, 8132160, 10165200, 13553600, 16264320, 20330400, 27107200, 40660800, 81321600]

約数ペア:

[(1, 81321600), (2, 40660800), (3, 27107200), (4, 20330400), (5, 16264320), (6, 13553600), (8, 10165200), (10, 8132160), (12, 6776800), (15, 5421440), (16, 5082600), (20, 4066080), (24, 3388400), (25, 3252864), (30, 2710720), (32, 2541300), (40, 2033040), (43, 1891200), (48, 1694200), (50, 1626432), (60, 1355360), (64, 1270650), (75, 1084288), (80, 1016520), (86, 945600), (96, 847100), (100, 813216), (120, 677680), (128, 635325), (129, 630400), (150, 542144), (160, 508260), (172, 472800), (192, 423550), (197, 412800), (200, 406608), (215, 378240), (240, 338840), (258, 315200), (300, 271072), (320, 254130), (344, 236400), (384, 211775), (394, 206400), (400, 203304), (430, 189120), (480, 169420), (516, 157600), (591, 137600), (600, 135536), (640, 127065), (645, 126080), (688, 118200), (788, 103200), (800, 101652), (860, 94560), (960, 84710), (985, 82560), (1032, 78800), (1075, 75648), (1182, 68800), (1200, 67768), (1290, 63040), (1376, 59100), (1576, 51600), (1600, 50826), (1720, 47280), (1920, 42355), (1970, 41280), (2064, 39400), (2150, 37824), (2364, 34400), (2400, 33884), (2580, 31520), (2752, 29550), (2955, 27520), (3152, 25800), (3200, 25413), (3225, 25216), (3440, 23640), (3940, 20640), (4128, 19700), (4300, 18912), (4728, 17200), (4800, 16942), (4925, 16512), (5160, 15760), (5504, 14775), (5910, 13760), (6304, 12900), (6450, 12608), (6880, 11820), (7880, 10320), (8256, 9850), (8471, 9600), (8600, 9456)]