28270620

素因数分解:

$2^2\times 3^6\times 5^1\times 7^1\times {\mathrm{277}}^1$

素因数の和:311

約数の個数: 168

約数和(自身を含む): 102094944

約数和(自身を除く): 73824324

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, 2268, 2430, 2493, 2770, 2835, 2916, 3324, 3402, 3645, 3780, 3878, 4155, 4860, 4986, 5103, 5540, 5670, 5817, 6804, 7290, 7479, 7756, 8310, 8505, 9695, 9972, 10206, 11340, 11634, 12465, 14580, 14958, 16620, 17010, 17451, 19390, 20412, 22437, 23268, 24930, 25515, 29085, 29916, 34020, 34902, 37395, 38780, 44874, 49860, 51030, 52353, 58170, 67311, 69804, 74790, 87255, 89748, 102060, 104706, 112185, 116340, 134622, 149580, 157059, 174510, 201933, 209412, 224370, 261765, 269244, 314118, 336555, 349020, 403866, 448740, 471177, 523530, 628236, 673110, 785295, 807732, 942354, 1009665, 1047060, 1346220, 1413531, 1570590, 1884708, 2019330, 2355885, 2827062, 3141180, 4038660, 4711770, 5654124, 7067655, 9423540, 14135310, 28270620]

約数ペア:

[(1, 28270620), (2, 14135310), (3, 9423540), (4, 7067655), (5, 5654124), (6, 4711770), (7, 4038660), (9, 3141180), (10, 2827062), (12, 2355885), (14, 2019330), (15, 1884708), (18, 1570590), (20, 1413531), (21, 1346220), (27, 1047060), (28, 1009665), (30, 942354), (35, 807732), (36, 785295), (42, 673110), (45, 628236), (54, 523530), (60, 471177), (63, 448740), (70, 403866), (81, 349020), (84, 336555), (90, 314118), (105, 269244), (108, 261765), (126, 224370), (135, 209412), (140, 201933), (162, 174510), (180, 157059), (189, 149580), (210, 134622), (243, 116340), (252, 112185), (270, 104706), (277, 102060), (315, 89748), (324, 87255), (378, 74790), (405, 69804), (420, 67311), (486, 58170), (540, 52353), (554, 51030), (567, 49860), (630, 44874), (729, 38780), (756, 37395), (810, 34902), (831, 34020), (945, 29916), (972, 29085), (1108, 25515), (1134, 24930), (1215, 23268), (1260, 22437), (1385, 20412), (1458, 19390), (1620, 17451), (1662, 17010), (1701, 16620), (1890, 14958), (1939, 14580), (2268, 12465), (2430, 11634), (2493, 11340), (2770, 10206), (2835, 9972), (2916, 9695), (3324, 8505), (3402, 8310), (3645, 7756), (3780, 7479), (3878, 7290), (4155, 6804), (4860, 5817), (4986, 5670), (5103, 5540)]