18865556640

素因数分解:

$2^5\times 3^3\times 5^1\times 7^2\times {\mathrm{89123}}^1$

素因数の和:89161

約数の個数: 288

約数和(自身を含む): 76810628160

約数和(自身を除く): 57945071520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 160, 168, 180, 189, 196, 210, 216, 224, 240, 245, 252, 270, 280, 288, 294, 315, 336, 360, 378, 392, 420, 432, 441, 480, 490, 504, 540, 560, 588, 630, 672, 720, 735, 756, 784, 840, 864, 882, 945, 980, 1008, 1080, 1120, 1176, 1260, 1323, 1440, 1470, 1512, 1568, 1680, 1764, 1890, 1960, 2016, 2160, 2205, 2352, 2520, 2646, 2940, 3024, 3360, 3528, 3780, 3920, 4320, 4410, 4704, 5040, 5292, 5880, 6048, 6615, 7056, 7560, 7840, 8820, 10080, 10584, 11760, 13230, 14112, 15120, 17640, 21168, 23520, 26460, 30240, 35280, 42336, 52920, 70560, 89123, 105840, 178246, 211680, 267369, 356492, 445615, 534738, 623861, 712984, 802107, 891230, 1069476, 1247722, 1336845, 1425968, 1604214, 1782460, 1871583, 2138952, 2406321, 2495444, 2673690, 2851936, 3119305, 3208428, 3564920, 3743166, 4010535, 4277904, 4367027, 4812642, 4990888, 5347380, 5614749, 6238610, 6416856, 7129840, 7486332, 8021070, 8555808, 8734054, 9357915, 9625284, 9981776, 10694760, 11229498, 12031605, 12477220, 12833712, 13101081, 14259680, 14972664, 16042140, 16844247, 17468108, 18715830, 19250568, 19963552, 21389520, 21835135, 22458996, 24063210, 24954440, 25667424, 26202162, 28073745, 29945328, 32084280, 33688494, 34936216, 37431660, 38501136, 39303243, 42779040, 43670270, 44917992, 48126420, 49908880, 52404324, 56147490, 59890656, 64168560, 65505405, 67376988, 69872432, 74863320, 77002272, 78606486, 84221235, 87340540, 89835984, 96252840, 99817760, 104808648, 112294980, 117909729, 128337120, 131010810, 134753976, 139744864, 149726640, 157212972, 168442470, 174681080, 179671968, 192505680, 196516215, 209617296, 224589960, 235819458, 262021620, 269507952, 299453280, 314425944, 336884940, 349362160, 385011360, 393032430, 419234592, 449179920, 471638916, 524043240, 539015904, 589548645, 628851888, 673769880, 698724320, 786064860, 898359840, 943277832, 1048086480, 1179097290, 1257703776, 1347539760, 1572129720, 1886555664, 2096172960, 2358194580, 2695079520, 3144259440, 3773111328, 4716389160, 6288518880, 9432778320, 18865556640]

約数ペア:

[(1, 18865556640), (2, 9432778320), (3, 6288518880), (4, 4716389160), (5, 3773111328), (6, 3144259440), (7, 2695079520), (8, 2358194580), (9, 2096172960), (10, 1886555664), (12, 1572129720), (14, 1347539760), (15, 1257703776), (16, 1179097290), (18, 1048086480), (20, 943277832), (21, 898359840), (24, 786064860), (27, 698724320), (28, 673769880), (30, 628851888), (32, 589548645), (35, 539015904), (36, 524043240), (40, 471638916), (42, 449179920), (45, 419234592), (48, 393032430), (49, 385011360), (54, 349362160), (56, 336884940), (60, 314425944), (63, 299453280), (70, 269507952), (72, 262021620), (80, 235819458), (84, 224589960), (90, 209617296), (96, 196516215), (98, 192505680), (105, 179671968), (108, 174681080), (112, 168442470), (120, 157212972), (126, 149726640), (135, 139744864), (140, 134753976), (144, 131010810), (147, 128337120), (160, 117909729), (168, 112294980), (180, 104808648), (189, 99817760), (196, 96252840), (210, 89835984), (216, 87340540), (224, 84221235), (240, 78606486), (245, 77002272), (252, 74863320), (270, 69872432), (280, 67376988), (288, 65505405), (294, 64168560), (315, 59890656), (336, 56147490), (360, 52404324), (378, 49908880), (392, 48126420), (420, 44917992), (432, 43670270), (441, 42779040), (480, 39303243), (490, 38501136), (504, 37431660), (540, 34936216), (560, 33688494), (588, 32084280), (630, 29945328), (672, 28073745), (720, 26202162), (735, 25667424), (756, 24954440), (784, 24063210), (840, 22458996), (864, 21835135), (882, 21389520), (945, 19963552), (980, 19250568), (1008, 18715830), (1080, 17468108), (1120, 16844247), (1176, 16042140), (1260, 14972664), (1323, 14259680), (1440, 13101081), (1470, 12833712), (1512, 12477220), (1568, 12031605), (1680, 11229498), (1764, 10694760), (1890, 9981776), (1960, 9625284), (2016, 9357915), (2160, 8734054), (2205, 8555808), (2352, 8021070), (2520, 7486332), (2646, 7129840), (2940, 6416856), (3024, 6238610), (3360, 5614749), (3528, 5347380), (3780, 4990888), (3920, 4812642), (4320, 4367027), (4410, 4277904), (4704, 4010535), (5040, 3743166), (5292, 3564920), (5880, 3208428), (6048, 3119305), (6615, 2851936), (7056, 2673690), (7560, 2495444), (7840, 2406321), (8820, 2138952), (10080, 1871583), (10584, 1782460), (11760, 1604214), (13230, 1425968), (14112, 1336845), (15120, 1247722), (17640, 1069476), (21168, 891230), (23520, 802107), (26460, 712984), (30240, 623861), (35280, 534738), (42336, 445615), (52920, 356492), (70560, 267369), (89123, 211680), (105840, 178246)]