254435580

素因数分解:

$2^2\times 3^8\times 5^1\times 7^1\times {\mathrm{277}}^1$

素因数の和:317

約数の個数: 216

約数和(自身を含む): 919228128

約数和(自身を除く): 664792548

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 277, 315, 324, 378, 405, 420, 486, 540, 554, 567, 630, 729, 756, 810, 831, 945, 972, 1108, 1134, 1215, 1260, 1385, 1458, 1620, 1662, 1701, 1890, 1939, 2187, 2268, 2430, 2493, 2770, 2835, 2916, 3324, 3402, 3645, 3780, 3878, 4155, 4374, 4860, 4986, 5103, 5540, 5670, 5817, 6561, 6804, 7290, 7479, 7756, 8310, 8505, 8748, 9695, 9972, 10206, 10935, 11340, 11634, 12465, 13122, 14580, 14958, 15309, 16620, 17010, 17451, 19390, 20412, 21870, 22437, 23268, 24930, 25515, 26244, 29085, 29916, 30618, 32805, 34020, 34902, 37395, 38780, 43740, 44874, 45927, 49860, 51030, 52353, 58170, 61236, 65610, 67311, 69804, 74790, 76545, 87255, 89748, 91854, 102060, 104706, 112185, 116340, 131220, 134622, 149580, 153090, 157059, 174510, 183708, 201933, 209412, 224370, 229635, 261765, 269244, 306180, 314118, 336555, 349020, 403866, 448740, 459270, 471177, 523530, 605799, 628236, 673110, 785295, 807732, 918540, 942354, 1009665, 1047060, 1211598, 1346220, 1413531, 1570590, 1817397, 1884708, 2019330, 2355885, 2423196, 2827062, 3028995, 3141180, 3634794, 4038660, 4240593, 4711770, 5654124, 6057990, 7067655, 7269588, 8481186, 9086985, 9423540, 12115980, 12721779, 14135310, 16962372, 18173970, 21202965, 25443558, 28270620, 36347940, 42405930, 50887116, 63608895, 84811860, 127217790, 254435580]

約数ペア:

[(1, 254435580), (2, 127217790), (3, 84811860), (4, 63608895), (5, 50887116), (6, 42405930), (7, 36347940), (9, 28270620), (10, 25443558), (12, 21202965), (14, 18173970), (15, 16962372), (18, 14135310), (20, 12721779), (21, 12115980), (27, 9423540), (28, 9086985), (30, 8481186), (35, 7269588), (36, 7067655), (42, 6057990), (45, 5654124), (54, 4711770), (60, 4240593), (63, 4038660), (70, 3634794), (81, 3141180), (84, 3028995), (90, 2827062), (105, 2423196), (108, 2355885), (126, 2019330), (135, 1884708), (140, 1817397), (162, 1570590), (180, 1413531), (189, 1346220), (210, 1211598), (243, 1047060), (252, 1009665), (270, 942354), (277, 918540), (315, 807732), (324, 785295), (378, 673110), (405, 628236), (420, 605799), (486, 523530), (540, 471177), (554, 459270), (567, 448740), (630, 403866), (729, 349020), (756, 336555), (810, 314118), (831, 306180), (945, 269244), (972, 261765), (1108, 229635), (1134, 224370), (1215, 209412), (1260, 201933), (1385, 183708), (1458, 174510), (1620, 157059), (1662, 153090), (1701, 149580), (1890, 134622), (1939, 131220), (2187, 116340), (2268, 112185), (2430, 104706), (2493, 102060), (2770, 91854), (2835, 89748), (2916, 87255), (3324, 76545), (3402, 74790), (3645, 69804), (3780, 67311), (3878, 65610), (4155, 61236), (4374, 58170), (4860, 52353), (4986, 51030), (5103, 49860), (5540, 45927), (5670, 44874), (5817, 43740), (6561, 38780), (6804, 37395), (7290, 34902), (7479, 34020), (7756, 32805), (8310, 30618), (8505, 29916), (8748, 29085), (9695, 26244), (9972, 25515), (10206, 24930), (10935, 23268), (11340, 22437), (11634, 21870), (12465, 20412), (13122, 19390), (14580, 17451), (14958, 17010), (15309, 16620)]