254715840

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:377

約数の個数: 280

約数和(自身を含む): 938247552

約数和(自身を除く): 683531712

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, 81, 90, 93, 96, 108, 120, 124, 135, 144, 155, 160, 162, 180, 186, 192, 216, 240, 248, 270, 279, 288, 310, 317, 320, 324, 360, 372, 405, 432, 465, 480, 496, 540, 558, 576, 620, 634, 648, 720, 744, 810, 837, 864, 930, 951, 960, 992, 1080, 1116, 1240, 1268, 1296, 1395, 1440, 1488, 1585, 1620, 1674, 1728, 1860, 1902, 1984, 2160, 2232, 2480, 2511, 2536, 2592, 2790, 2853, 2880, 2976, 3170, 3240, 3348, 3720, 3804, 4185, 4320, 4464, 4755, 4960, 5022, 5072, 5184, 5580, 5706, 5952, 6340, 6480, 6696, 7440, 7608, 8370, 8559, 8640, 8928, 9510, 9827, 9920, 10044, 10144, 11160, 11412, 12555, 12680, 12960, 13392, 14265, 14880, 15216, 16740, 17118, 17856, 19020, 19654, 20088, 20288, 22320, 22824, 25110, 25360, 25677, 25920, 26784, 28530, 29481, 29760, 30432, 33480, 34236, 38040, 39308, 40176, 42795, 44640, 45648, 49135, 50220, 50720, 51354, 53568, 57060, 58962, 60864, 66960, 68472, 76080, 78616, 80352, 85590, 88443, 89280, 91296, 98270, 100440, 101440, 102708, 114120, 117924, 128385, 133920, 136944, 147405, 152160, 157232, 160704, 171180, 176886, 182592, 196540, 200880, 205416, 228240, 235848, 256770, 265329, 267840, 273888, 294810, 304320, 314464, 342360, 353772, 393080, 401760, 410832, 442215, 456480, 471696, 513540, 530658, 547776, 589620, 628928, 684720, 707544, 786160, 795987, 803520, 821664, 884430, 912960, 943392, 1027080, 1061316, 1179240, 1326645, 1369440, 1415088, 1572320, 1591974, 1643328, 1768860, 1886784, 2054160, 2122632, 2358480, 2653290, 2738880, 2830176, 3144640, 3183948, 3537720, 3979935, 4108320, 4245264, 4716960, 5306580, 5660352, 6367896, 7075440, 7959870, 8216640, 8490528, 9433920, 10613160, 12735792, 14150880, 15919740, 16981056, 21226320, 25471584, 28301760, 31839480, 42452640, 50943168, 63678960, 84905280, 127357920, 254715840]

約数ペア:

[(1, 254715840), (2, 127357920), (3, 84905280), (4, 63678960), (5, 50943168), (6, 42452640), (8, 31839480), (9, 28301760), (10, 25471584), (12, 21226320), (15, 16981056), (16, 15919740), (18, 14150880), (20, 12735792), (24, 10613160), (27, 9433920), (30, 8490528), (31, 8216640), (32, 7959870), (36, 7075440), (40, 6367896), (45, 5660352), (48, 5306580), (54, 4716960), (60, 4245264), (62, 4108320), (64, 3979935), (72, 3537720), (80, 3183948), (81, 3144640), (90, 2830176), (93, 2738880), (96, 2653290), (108, 2358480), (120, 2122632), (124, 2054160), (135, 1886784), (144, 1768860), (155, 1643328), (160, 1591974), (162, 1572320), (180, 1415088), (186, 1369440), (192, 1326645), (216, 1179240), (240, 1061316), (248, 1027080), (270, 943392), (279, 912960), (288, 884430), (310, 821664), (317, 803520), (320, 795987), (324, 786160), (360, 707544), (372, 684720), (405, 628928), (432, 589620), (465, 547776), (480, 530658), (496, 513540), (540, 471696), (558, 456480), (576, 442215), (620, 410832), (634, 401760), (648, 393080), (720, 353772), (744, 342360), (810, 314464), (837, 304320), (864, 294810), (930, 273888), (951, 267840), (960, 265329), (992, 256770), (1080, 235848), (1116, 228240), (1240, 205416), (1268, 200880), (1296, 196540), (1395, 182592), (1440, 176886), (1488, 171180), (1585, 160704), (1620, 157232), (1674, 152160), (1728, 147405), (1860, 136944), (1902, 133920), (1984, 128385), (2160, 117924), (2232, 114120), (2480, 102708), (2511, 101440), (2536, 100440), (2592, 98270), (2790, 91296), (2853, 89280), (2880, 88443), (2976, 85590), (3170, 80352), (3240, 78616), (3348, 76080), (3720, 68472), (3804, 66960), (4185, 60864), (4320, 58962), (4464, 57060), (4755, 53568), (4960, 51354), (5022, 50720), (5072, 50220), (5184, 49135), (5580, 45648), (5706, 44640), (5952, 42795), (6340, 40176), (6480, 39308), (6696, 38040), (7440, 34236), (7608, 33480), (8370, 30432), (8559, 29760), (8640, 29481), (8928, 28530), (9510, 26784), (9827, 25920), (9920, 25677), (10044, 25360), (10144, 25110), (11160, 22824), (11412, 22320), (12555, 20288), (12680, 20088), (12960, 19654), (13392, 19020), (14265, 17856), (14880, 17118), (15216, 16740)]