80608000

素因数分解:

$2^8\times 5^3\times {\mathrm{11}}^1\times {\mathrm{229}}^1$

素因数の和:271

約数の個数: 144

約数和(自身を含む): 220016160

約数和(自身を除く): 139408160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 125, 128, 160, 176, 200, 220, 229, 250, 256, 275, 320, 352, 400, 440, 458, 500, 550, 640, 704, 800, 880, 916, 1000, 1100, 1145, 1280, 1375, 1408, 1600, 1760, 1832, 2000, 2200, 2290, 2519, 2750, 2816, 3200, 3520, 3664, 4000, 4400, 4580, 5038, 5500, 5725, 6400, 7040, 7328, 8000, 8800, 9160, 10076, 11000, 11450, 12595, 14080, 14656, 16000, 17600, 18320, 20152, 22000, 22900, 25190, 28625, 29312, 32000, 35200, 36640, 40304, 44000, 45800, 50380, 57250, 58624, 62975, 70400, 73280, 80608, 88000, 91600, 100760, 114500, 125950, 146560, 161216, 176000, 183200, 201520, 229000, 251900, 293120, 314875, 322432, 352000, 366400, 403040, 458000, 503800, 629750, 644864, 732800, 806080, 916000, 1007600, 1259500, 1465600, 1612160, 1832000, 2015200, 2519000, 3224320, 3664000, 4030400, 5038000, 7328000, 8060800, 10076000, 16121600, 20152000, 40304000, 80608000]

約数ペア:

[(1, 80608000), (2, 40304000), (4, 20152000), (5, 16121600), (8, 10076000), (10, 8060800), (11, 7328000), (16, 5038000), (20, 4030400), (22, 3664000), (25, 3224320), (32, 2519000), (40, 2015200), (44, 1832000), (50, 1612160), (55, 1465600), (64, 1259500), (80, 1007600), (88, 916000), (100, 806080), (110, 732800), (125, 644864), (128, 629750), (160, 503800), (176, 458000), (200, 403040), (220, 366400), (229, 352000), (250, 322432), (256, 314875), (275, 293120), (320, 251900), (352, 229000), (400, 201520), (440, 183200), (458, 176000), (500, 161216), (550, 146560), (640, 125950), (704, 114500), (800, 100760), (880, 91600), (916, 88000), (1000, 80608), (1100, 73280), (1145, 70400), (1280, 62975), (1375, 58624), (1408, 57250), (1600, 50380), (1760, 45800), (1832, 44000), (2000, 40304), (2200, 36640), (2290, 35200), (2519, 32000), (2750, 29312), (2816, 28625), (3200, 25190), (3520, 22900), (3664, 22000), (4000, 20152), (4400, 18320), (4580, 17600), (5038, 16000), (5500, 14656), (5725, 14080), (6400, 12595), (7040, 11450), (7328, 11000), (8000, 10076), (8800, 9160)]