211356540

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{157}}^1\times {\mathrm{277}}^1$

素因数の和:458

約数の個数: 144

約数和(自身を含む): 671510112

約数和(自身を除く): 460153572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 157, 162, 180, 243, 270, 277, 314, 324, 405, 471, 486, 540, 554, 628, 785, 810, 831, 942, 972, 1108, 1215, 1385, 1413, 1570, 1620, 1662, 1884, 2355, 2430, 2493, 2770, 2826, 3140, 3324, 4155, 4239, 4710, 4860, 4986, 5540, 5652, 7065, 7479, 8310, 8478, 9420, 9972, 12465, 12717, 14130, 14958, 16620, 16956, 21195, 22437, 24930, 25434, 28260, 29916, 37395, 38151, 42390, 43489, 44874, 49860, 50868, 63585, 67311, 74790, 76302, 84780, 86978, 89748, 112185, 127170, 130467, 134622, 149580, 152604, 173956, 190755, 217445, 224370, 254340, 260934, 269244, 336555, 381510, 391401, 434890, 448740, 521868, 652335, 673110, 763020, 782802, 869780, 1174203, 1304670, 1346220, 1565604, 1957005, 2348406, 2609340, 3522609, 3914010, 4696812, 5871015, 7045218, 7828020, 10567827, 11742030, 14090436, 17613045, 21135654, 23484060, 35226090, 42271308, 52839135, 70452180, 105678270, 211356540]

約数ペア:

[(1, 211356540), (2, 105678270), (3, 70452180), (4, 52839135), (5, 42271308), (6, 35226090), (9, 23484060), (10, 21135654), (12, 17613045), (15, 14090436), (18, 11742030), (20, 10567827), (27, 7828020), (30, 7045218), (36, 5871015), (45, 4696812), (54, 3914010), (60, 3522609), (81, 2609340), (90, 2348406), (108, 1957005), (135, 1565604), (157, 1346220), (162, 1304670), (180, 1174203), (243, 869780), (270, 782802), (277, 763020), (314, 673110), (324, 652335), (405, 521868), (471, 448740), (486, 434890), (540, 391401), (554, 381510), (628, 336555), (785, 269244), (810, 260934), (831, 254340), (942, 224370), (972, 217445), (1108, 190755), (1215, 173956), (1385, 152604), (1413, 149580), (1570, 134622), (1620, 130467), (1662, 127170), (1884, 112185), (2355, 89748), (2430, 86978), (2493, 84780), (2770, 76302), (2826, 74790), (3140, 67311), (3324, 63585), (4155, 50868), (4239, 49860), (4710, 44874), (4860, 43489), (4986, 42390), (5540, 38151), (5652, 37395), (7065, 29916), (7479, 28260), (8310, 25434), (8478, 24930), (9420, 22437), (9972, 21195), (12465, 16956), (12717, 16620), (14130, 14958)]