15805440

素因数分解:

$2^{10}\times 3^2\times 5^1\times 7^3$

素因数の和:52

約数の個数: 264

約数和(自身を含む): 63866400

約数和(自身を除く): 48060960

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, 128, 140, 144, 147, 160, 168, 180, 192, 196, 210, 224, 240, 245, 252, 256, 280, 288, 294, 315, 320, 336, 343, 360, 384, 392, 420, 441, 448, 480, 490, 504, 512, 560, 576, 588, 630, 640, 672, 686, 720, 735, 768, 784, 840, 882, 896, 960, 980, 1008, 1024, 1029, 1120, 1152, 1176, 1260, 1280, 1344, 1372, 1440, 1470, 1536, 1568, 1680, 1715, 1764, 1792, 1920, 1960, 2016, 2058, 2205, 2240, 2304, 2352, 2520, 2560, 2688, 2744, 2880, 2940, 3072, 3087, 3136, 3360, 3430, 3528, 3584, 3840, 3920, 4032, 4116, 4410, 4480, 4608, 4704, 5040, 5120, 5145, 5376, 5488, 5760, 5880, 6174, 6272, 6720, 6860, 7056, 7168, 7680, 7840, 8064, 8232, 8820, 8960, 9216, 9408, 10080, 10290, 10752, 10976, 11520, 11760, 12348, 12544, 13440, 13720, 14112, 15360, 15435, 15680, 16128, 16464, 17640, 17920, 18816, 20160, 20580, 21504, 21952, 23040, 23520, 24696, 25088, 26880, 27440, 28224, 30870, 31360, 32256, 32928, 35280, 35840, 37632, 40320, 41160, 43904, 46080, 47040, 49392, 50176, 53760, 54880, 56448, 61740, 62720, 64512, 65856, 70560, 75264, 80640, 82320, 87808, 94080, 98784, 107520, 109760, 112896, 123480, 125440, 131712, 141120, 150528, 161280, 164640, 175616, 188160, 197568, 219520, 225792, 246960, 250880, 263424, 282240, 322560, 329280, 351232, 376320, 395136, 439040, 451584, 493920, 526848, 564480, 658560, 752640, 790272, 878080, 987840, 1053696, 1128960, 1317120, 1580544, 1756160, 1975680, 2257920, 2634240, 3161088, 3951360, 5268480, 7902720, 15805440]

約数ペア:

[(1, 15805440), (2, 7902720), (3, 5268480), (4, 3951360), (5, 3161088), (6, 2634240), (7, 2257920), (8, 1975680), (9, 1756160), (10, 1580544), (12, 1317120), (14, 1128960), (15, 1053696), (16, 987840), (18, 878080), (20, 790272), (21, 752640), (24, 658560), (28, 564480), (30, 526848), (32, 493920), (35, 451584), (36, 439040), (40, 395136), (42, 376320), (45, 351232), (48, 329280), (49, 322560), (56, 282240), (60, 263424), (63, 250880), (64, 246960), (70, 225792), (72, 219520), (80, 197568), (84, 188160), (90, 175616), (96, 164640), (98, 161280), (105, 150528), (112, 141120), (120, 131712), (126, 125440), (128, 123480), (140, 112896), (144, 109760), (147, 107520), (160, 98784), (168, 94080), (180, 87808), (192, 82320), (196, 80640), (210, 75264), (224, 70560), (240, 65856), (245, 64512), (252, 62720), (256, 61740), (280, 56448), (288, 54880), (294, 53760), (315, 50176), (320, 49392), (336, 47040), (343, 46080), (360, 43904), (384, 41160), (392, 40320), (420, 37632), (441, 35840), (448, 35280), (480, 32928), (490, 32256), (504, 31360), (512, 30870), (560, 28224), (576, 27440), (588, 26880), (630, 25088), (640, 24696), (672, 23520), (686, 23040), (720, 21952), (735, 21504), (768, 20580), (784, 20160), (840, 18816), (882, 17920), (896, 17640), (960, 16464), (980, 16128), (1008, 15680), (1024, 15435), (1029, 15360), (1120, 14112), (1152, 13720), (1176, 13440), (1260, 12544), (1280, 12348), (1344, 11760), (1372, 11520), (1440, 10976), (1470, 10752), (1536, 10290), (1568, 10080), (1680, 9408), (1715, 9216), (1764, 8960), (1792, 8820), (1920, 8232), (1960, 8064), (2016, 7840), (2058, 7680), (2205, 7168), (2240, 7056), (2304, 6860), (2352, 6720), (2520, 6272), (2560, 6174), (2688, 5880), (2744, 5760), (2880, 5488), (2940, 5376), (3072, 5145), (3087, 5120), (3136, 5040), (3360, 4704), (3430, 4608), (3528, 4480), (3584, 4410), (3840, 4116), (3920, 4032)]