278667540

素因数分解:

$2^2\times 3^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1$

素因数の和:330

約数の個数: 192

約数和(自身を含む): 919134720

約数和(自身を除く): 640467180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 69, 81, 90, 92, 108, 115, 135, 138, 162, 180, 207, 230, 243, 270, 276, 277, 324, 345, 405, 414, 460, 486, 540, 554, 621, 690, 729, 810, 828, 831, 972, 1035, 1108, 1215, 1242, 1380, 1385, 1458, 1620, 1662, 1863, 2070, 2187, 2430, 2484, 2493, 2770, 2916, 3105, 3324, 3645, 3726, 4140, 4155, 4374, 4860, 4986, 5540, 5589, 6210, 6371, 7290, 7452, 7479, 8310, 8748, 9315, 9972, 10935, 11178, 12420, 12465, 12742, 14580, 14958, 16620, 16767, 18630, 19113, 21870, 22356, 22437, 24930, 25484, 27945, 29916, 31855, 33534, 37260, 37395, 38226, 43740, 44874, 49860, 50301, 55890, 57339, 63710, 67068, 67311, 74790, 76452, 83835, 89748, 95565, 100602, 111780, 112185, 114678, 127420, 134622, 149580, 167670, 172017, 191130, 201204, 201933, 224370, 229356, 251505, 269244, 286695, 335340, 336555, 344034, 382260, 403866, 448740, 503010, 516051, 573390, 605799, 673110, 688068, 807732, 860085, 1006020, 1009665, 1032102, 1146780, 1211598, 1346220, 1548153, 1720170, 2019330, 2064204, 2423196, 2580255, 3028995, 3096306, 3440340, 4038660, 4644459, 5160510, 6057990, 6192612, 7740765, 9288918, 10321020, 12115980, 13933377, 15481530, 18577836, 23222295, 27866754, 30963060, 46444590, 55733508, 69666885, 92889180, 139333770, 278667540]

約数ペア:

[(1, 278667540), (2, 139333770), (3, 92889180), (4, 69666885), (5, 55733508), (6, 46444590), (9, 30963060), (10, 27866754), (12, 23222295), (15, 18577836), (18, 15481530), (20, 13933377), (23, 12115980), (27, 10321020), (30, 9288918), (36, 7740765), (45, 6192612), (46, 6057990), (54, 5160510), (60, 4644459), (69, 4038660), (81, 3440340), (90, 3096306), (92, 3028995), (108, 2580255), (115, 2423196), (135, 2064204), (138, 2019330), (162, 1720170), (180, 1548153), (207, 1346220), (230, 1211598), (243, 1146780), (270, 1032102), (276, 1009665), (277, 1006020), (324, 860085), (345, 807732), (405, 688068), (414, 673110), (460, 605799), (486, 573390), (540, 516051), (554, 503010), (621, 448740), (690, 403866), (729, 382260), (810, 344034), (828, 336555), (831, 335340), (972, 286695), (1035, 269244), (1108, 251505), (1215, 229356), (1242, 224370), (1380, 201933), (1385, 201204), (1458, 191130), (1620, 172017), (1662, 167670), (1863, 149580), (2070, 134622), (2187, 127420), (2430, 114678), (2484, 112185), (2493, 111780), (2770, 100602), (2916, 95565), (3105, 89748), (3324, 83835), (3645, 76452), (3726, 74790), (4140, 67311), (4155, 67068), (4374, 63710), (4860, 57339), (4986, 55890), (5540, 50301), (5589, 49860), (6210, 44874), (6371, 43740), (7290, 38226), (7452, 37395), (7479, 37260), (8310, 33534), (8748, 31855), (9315, 29916), (9972, 27945), (10935, 25484), (11178, 24930), (12420, 22437), (12465, 22356), (12742, 21870), (14580, 19113), (14958, 18630), (16620, 16767)]