215311320

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1987}}^1$

素因数の和:2054

約数の個数: 192

約数和(自身を含む): 818737920

約数和(自身を除く): 603426600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 43, 45, 56, 60, 63, 70, 72, 84, 86, 90, 105, 120, 126, 129, 140, 168, 172, 180, 210, 215, 252, 258, 280, 301, 315, 344, 360, 387, 420, 430, 504, 516, 602, 630, 645, 774, 840, 860, 903, 1032, 1204, 1260, 1290, 1505, 1548, 1720, 1806, 1935, 1987, 2408, 2520, 2580, 2709, 3010, 3096, 3612, 3870, 3974, 4515, 5160, 5418, 5961, 6020, 7224, 7740, 7948, 9030, 9935, 10836, 11922, 12040, 13545, 13909, 15480, 15896, 17883, 18060, 19870, 21672, 23844, 27090, 27818, 29805, 35766, 36120, 39740, 41727, 47688, 54180, 55636, 59610, 69545, 71532, 79480, 83454, 85441, 89415, 108360, 111272, 119220, 125181, 139090, 143064, 166908, 170882, 178830, 208635, 238440, 250362, 256323, 278180, 333816, 341764, 357660, 417270, 427205, 500724, 512646, 556360, 598087, 625905, 683528, 715320, 768969, 834540, 854410, 1001448, 1025292, 1196174, 1251810, 1281615, 1537938, 1669080, 1708820, 1794261, 2050584, 2392348, 2503620, 2563230, 2990435, 3075876, 3417640, 3588522, 3844845, 4784696, 5007240, 5126460, 5382783, 5980870, 6151752, 7177044, 7689690, 8971305, 10252920, 10765566, 11961740, 14354088, 15379380, 17942610, 21531132, 23923480, 26913915, 30758760, 35885220, 43062264, 53827830, 71770440, 107655660, 215311320]

約数ペア:

[(1, 215311320), (2, 107655660), (3, 71770440), (4, 53827830), (5, 43062264), (6, 35885220), (7, 30758760), (8, 26913915), (9, 23923480), (10, 21531132), (12, 17942610), (14, 15379380), (15, 14354088), (18, 11961740), (20, 10765566), (21, 10252920), (24, 8971305), (28, 7689690), (30, 7177044), (35, 6151752), (36, 5980870), (40, 5382783), (42, 5126460), (43, 5007240), (45, 4784696), (56, 3844845), (60, 3588522), (63, 3417640), (70, 3075876), (72, 2990435), (84, 2563230), (86, 2503620), (90, 2392348), (105, 2050584), (120, 1794261), (126, 1708820), (129, 1669080), (140, 1537938), (168, 1281615), (172, 1251810), (180, 1196174), (210, 1025292), (215, 1001448), (252, 854410), (258, 834540), (280, 768969), (301, 715320), (315, 683528), (344, 625905), (360, 598087), (387, 556360), (420, 512646), (430, 500724), (504, 427205), (516, 417270), (602, 357660), (630, 341764), (645, 333816), (774, 278180), (840, 256323), (860, 250362), (903, 238440), (1032, 208635), (1204, 178830), (1260, 170882), (1290, 166908), (1505, 143064), (1548, 139090), (1720, 125181), (1806, 119220), (1935, 111272), (1987, 108360), (2408, 89415), (2520, 85441), (2580, 83454), (2709, 79480), (3010, 71532), (3096, 69545), (3612, 59610), (3870, 55636), (3974, 54180), (4515, 47688), (5160, 41727), (5418, 39740), (5961, 36120), (6020, 35766), (7224, 29805), (7740, 27818), (7948, 27090), (9030, 23844), (9935, 21672), (10836, 19870), (11922, 18060), (12040, 17883), (13545, 15896), (13909, 15480)]