1998118080

素因数分解:

$2^6\times 3^2\times 5^1\times 7^2\times {\mathrm{14159}}^1$

素因数の和:14196

約数の個数: 252

約数和(自身を含む): 7995330720

約数和(自身を除く): 5997212640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 192, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 320, 336, 360, 392, 420, 441, 448, 480, 490, 504, 560, 576, 588, 630, 672, 720, 735, 784, 840, 882, 960, 980, 1008, 1120, 1176, 1260, 1344, 1440, 1470, 1568, 1680, 1764, 1960, 2016, 2205, 2240, 2352, 2520, 2880, 2940, 3136, 3360, 3528, 3920, 4032, 4410, 4704, 5040, 5880, 6720, 7056, 7840, 8820, 9408, 10080, 11760, 14112, 14159, 15680, 17640, 20160, 23520, 28224, 28318, 35280, 42477, 47040, 56636, 70560, 70795, 84954, 99113, 113272, 127431, 141120, 141590, 169908, 198226, 212385, 226544, 254862, 283180, 297339, 339816, 396452, 424770, 453088, 495565, 509724, 566360, 594678, 637155, 679632, 693791, 792904, 849540, 892017, 906176, 991130, 1019448, 1132720, 1189356, 1274310, 1359264, 1387582, 1486695, 1585808, 1699080, 1784034, 1982260, 2038896, 2081373, 2265440, 2378712, 2548620, 2718528, 2775164, 2973390, 3171616, 3398160, 3468955, 3568068, 3964520, 4077792, 4162746, 4460085, 4530880, 4757424, 5097240, 5550328, 5946780, 6244119, 6343232, 6796320, 6937910, 7136136, 7929040, 8155584, 8325492, 8920170, 9514848, 10194480, 10406865, 11100656, 11893560, 12488238, 13592640, 13875820, 14272272, 15858080, 16650984, 17840340, 19029696, 20388960, 20813730, 22201312, 23787120, 24976476, 27751640, 28544544, 31220595, 31716160, 33301968, 35680680, 40777920, 41627460, 44402624, 47574240, 49952952, 55503280, 57089088, 62441190, 66603936, 71361360, 83254920, 95148480, 99905904, 111006560, 124882380, 133207872, 142722720, 166509840, 199811808, 222013120, 249764760, 285445440, 333019680, 399623616, 499529520, 666039360, 999059040, 1998118080]

約数ペア:

[(1, 1998118080), (2, 999059040), (3, 666039360), (4, 499529520), (5, 399623616), (6, 333019680), (7, 285445440), (8, 249764760), (9, 222013120), (10, 199811808), (12, 166509840), (14, 142722720), (15, 133207872), (16, 124882380), (18, 111006560), (20, 99905904), (21, 95148480), (24, 83254920), (28, 71361360), (30, 66603936), (32, 62441190), (35, 57089088), (36, 55503280), (40, 49952952), (42, 47574240), (45, 44402624), (48, 41627460), (49, 40777920), (56, 35680680), (60, 33301968), (63, 31716160), (64, 31220595), (70, 28544544), (72, 27751640), (80, 24976476), (84, 23787120), (90, 22201312), (96, 20813730), (98, 20388960), (105, 19029696), (112, 17840340), (120, 16650984), (126, 15858080), (140, 14272272), (144, 13875820), (147, 13592640), (160, 12488238), (168, 11893560), (180, 11100656), (192, 10406865), (196, 10194480), (210, 9514848), (224, 8920170), (240, 8325492), (245, 8155584), (252, 7929040), (280, 7136136), (288, 6937910), (294, 6796320), (315, 6343232), (320, 6244119), (336, 5946780), (360, 5550328), (392, 5097240), (420, 4757424), (441, 4530880), (448, 4460085), (480, 4162746), (490, 4077792), (504, 3964520), (560, 3568068), (576, 3468955), (588, 3398160), (630, 3171616), (672, 2973390), (720, 2775164), (735, 2718528), (784, 2548620), (840, 2378712), (882, 2265440), (960, 2081373), (980, 2038896), (1008, 1982260), (1120, 1784034), (1176, 1699080), (1260, 1585808), (1344, 1486695), (1440, 1387582), (1470, 1359264), (1568, 1274310), (1680, 1189356), (1764, 1132720), (1960, 1019448), (2016, 991130), (2205, 906176), (2240, 892017), (2352, 849540), (2520, 792904), (2880, 693791), (2940, 679632), (3136, 637155), (3360, 594678), (3528, 566360), (3920, 509724), (4032, 495565), (4410, 453088), (4704, 424770), (5040, 396452), (5880, 339816), (6720, 297339), (7056, 283180), (7840, 254862), (8820, 226544), (9408, 212385), (10080, 198226), (11760, 169908), (14112, 141590), (14159, 141120), (15680, 127431), (17640, 113272), (20160, 99113), (23520, 84954), (28224, 70795), (28318, 70560), (35280, 56636), (42477, 47040)]