87315840

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:222

約数の個数: 256

約数和(自身を含む): 321177600

約数和(自身を除く): 233861760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 64, 72, 80, 90, 93, 96, 108, 120, 124, 128, 135, 144, 155, 160, 163, 180, 186, 192, 216, 240, 248, 270, 279, 288, 310, 320, 326, 360, 372, 384, 432, 465, 480, 489, 496, 540, 558, 576, 620, 640, 652, 720, 744, 815, 837, 864, 930, 960, 978, 992, 1080, 1116, 1152, 1240, 1304, 1395, 1440, 1467, 1488, 1630, 1674, 1728, 1860, 1920, 1956, 1984, 2160, 2232, 2445, 2480, 2608, 2790, 2880, 2934, 2976, 3260, 3348, 3456, 3720, 3912, 3968, 4185, 4320, 4401, 4464, 4890, 4960, 5053, 5216, 5580, 5760, 5868, 5952, 6520, 6696, 7335, 7440, 7824, 8370, 8640, 8802, 8928, 9780, 9920, 10106, 10432, 11160, 11736, 11904, 13040, 13392, 14670, 14880, 15159, 15648, 16740, 17280, 17604, 17856, 19560, 19840, 20212, 20864, 22005, 22320, 23472, 25265, 26080, 26784, 29340, 29760, 30318, 31296, 33480, 35208, 35712, 39120, 40424, 44010, 44640, 45477, 46944, 50530, 52160, 53568, 58680, 59520, 60636, 62592, 66960, 70416, 75795, 78240, 80848, 88020, 89280, 90954, 93888, 101060, 104320, 107136, 117360, 121272, 133920, 136431, 140832, 151590, 156480, 161696, 176040, 178560, 181908, 187776, 202120, 227385, 234720, 242544, 267840, 272862, 281664, 303180, 312960, 323392, 352080, 363816, 404240, 454770, 469440, 485088, 535680, 545724, 563328, 606360, 646784, 682155, 704160, 727632, 808480, 909540, 938880, 970176, 1091448, 1212720, 1364310, 1408320, 1455264, 1616960, 1819080, 1940352, 2182896, 2425440, 2728620, 2816640, 2910528, 3233920, 3638160, 4365792, 4850880, 5457240, 5821056, 7276320, 8731584, 9701760, 10914480, 14552640, 17463168, 21828960, 29105280, 43657920, 87315840]

約数ペア:

[(1, 87315840), (2, 43657920), (3, 29105280), (4, 21828960), (5, 17463168), (6, 14552640), (8, 10914480), (9, 9701760), (10, 8731584), (12, 7276320), (15, 5821056), (16, 5457240), (18, 4850880), (20, 4365792), (24, 3638160), (27, 3233920), (30, 2910528), (31, 2816640), (32, 2728620), (36, 2425440), (40, 2182896), (45, 1940352), (48, 1819080), (54, 1616960), (60, 1455264), (62, 1408320), (64, 1364310), (72, 1212720), (80, 1091448), (90, 970176), (93, 938880), (96, 909540), (108, 808480), (120, 727632), (124, 704160), (128, 682155), (135, 646784), (144, 606360), (155, 563328), (160, 545724), (163, 535680), (180, 485088), (186, 469440), (192, 454770), (216, 404240), (240, 363816), (248, 352080), (270, 323392), (279, 312960), (288, 303180), (310, 281664), (320, 272862), (326, 267840), (360, 242544), (372, 234720), (384, 227385), (432, 202120), (465, 187776), (480, 181908), (489, 178560), (496, 176040), (540, 161696), (558, 156480), (576, 151590), (620, 140832), (640, 136431), (652, 133920), (720, 121272), (744, 117360), (815, 107136), (837, 104320), (864, 101060), (930, 93888), (960, 90954), (978, 89280), (992, 88020), (1080, 80848), (1116, 78240), (1152, 75795), (1240, 70416), (1304, 66960), (1395, 62592), (1440, 60636), (1467, 59520), (1488, 58680), (1630, 53568), (1674, 52160), (1728, 50530), (1860, 46944), (1920, 45477), (1956, 44640), (1984, 44010), (2160, 40424), (2232, 39120), (2445, 35712), (2480, 35208), (2608, 33480), (2790, 31296), (2880, 30318), (2934, 29760), (2976, 29340), (3260, 26784), (3348, 26080), (3456, 25265), (3720, 23472), (3912, 22320), (3968, 22005), (4185, 20864), (4320, 20212), (4401, 19840), (4464, 19560), (4890, 17856), (4960, 17604), (5053, 17280), (5216, 16740), (5580, 15648), (5760, 15159), (5868, 14880), (5952, 14670), (6520, 13392), (6696, 13040), (7335, 11904), (7440, 11736), (7824, 11160), (8370, 10432), (8640, 10106), (8802, 9920), (8928, 9780)]