861245280

素因数分解:

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

素因数の和:2058

約数の個数: 288

約数和(自身を含む): 3438699264

約数和(自身を除く): 2577453984

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 43, 45, 48, 56, 60, 63, 70, 72, 80, 84, 86, 90, 96, 105, 112, 120, 126, 129, 140, 144, 160, 168, 172, 180, 210, 215, 224, 240, 252, 258, 280, 288, 301, 315, 336, 344, 360, 387, 420, 430, 480, 504, 516, 560, 602, 630, 645, 672, 688, 720, 774, 840, 860, 903, 1008, 1032, 1120, 1204, 1260, 1290, 1376, 1440, 1505, 1548, 1680, 1720, 1806, 1935, 1987, 2016, 2064, 2408, 2520, 2580, 2709, 3010, 3096, 3360, 3440, 3612, 3870, 3974, 4128, 4515, 4816, 5040, 5160, 5418, 5961, 6020, 6192, 6880, 7224, 7740, 7948, 9030, 9632, 9935, 10080, 10320, 10836, 11922, 12040, 12384, 13545, 13909, 14448, 15480, 15896, 17883, 18060, 19870, 20640, 21672, 23844, 24080, 27090, 27818, 28896, 29805, 30960, 31792, 35766, 36120, 39740, 41727, 43344, 47688, 48160, 54180, 55636, 59610, 61920, 63584, 69545, 71532, 72240, 79480, 83454, 85441, 86688, 89415, 95376, 108360, 111272, 119220, 125181, 139090, 143064, 144480, 158960, 166908, 170882, 178830, 190752, 208635, 216720, 222544, 238440, 250362, 256323, 278180, 286128, 317920, 333816, 341764, 357660, 417270, 427205, 433440, 445088, 476880, 500724, 512646, 556360, 572256, 598087, 625905, 667632, 683528, 715320, 768969, 834540, 854410, 953760, 1001448, 1025292, 1112720, 1196174, 1251810, 1281615, 1335264, 1367056, 1430640, 1537938, 1669080, 1708820, 1794261, 2002896, 2050584, 2225440, 2392348, 2503620, 2563230, 2734112, 2861280, 2990435, 3075876, 3338160, 3417640, 3588522, 3844845, 4005792, 4101168, 4784696, 5007240, 5126460, 5382783, 5980870, 6151752, 6676320, 6835280, 7177044, 7689690, 8202336, 8971305, 9569392, 10014480, 10252920, 10765566, 11961740, 12303504, 13670560, 14354088, 15379380, 17942610, 19138784, 20028960, 20505840, 21531132, 23923480, 24607008, 26913915, 28708176, 30758760, 35885220, 41011680, 43062264, 47846960, 53827830, 57416352, 61517520, 71770440, 86124528, 95693920, 107655660, 123035040, 143540880, 172249056, 215311320, 287081760, 430622640, 861245280]

約数ペア:

[(1, 861245280), (2, 430622640), (3, 287081760), (4, 215311320), (5, 172249056), (6, 143540880), (7, 123035040), (8, 107655660), (9, 95693920), (10, 86124528), (12, 71770440), (14, 61517520), (15, 57416352), (16, 53827830), (18, 47846960), (20, 43062264), (21, 41011680), (24, 35885220), (28, 30758760), (30, 28708176), (32, 26913915), (35, 24607008), (36, 23923480), (40, 21531132), (42, 20505840), (43, 20028960), (45, 19138784), (48, 17942610), (56, 15379380), (60, 14354088), (63, 13670560), (70, 12303504), (72, 11961740), (80, 10765566), (84, 10252920), (86, 10014480), (90, 9569392), (96, 8971305), (105, 8202336), (112, 7689690), (120, 7177044), (126, 6835280), (129, 6676320), (140, 6151752), (144, 5980870), (160, 5382783), (168, 5126460), (172, 5007240), (180, 4784696), (210, 4101168), (215, 4005792), (224, 3844845), (240, 3588522), (252, 3417640), (258, 3338160), (280, 3075876), (288, 2990435), (301, 2861280), (315, 2734112), (336, 2563230), (344, 2503620), (360, 2392348), (387, 2225440), (420, 2050584), (430, 2002896), (480, 1794261), (504, 1708820), (516, 1669080), (560, 1537938), (602, 1430640), (630, 1367056), (645, 1335264), (672, 1281615), (688, 1251810), (720, 1196174), (774, 1112720), (840, 1025292), (860, 1001448), (903, 953760), (1008, 854410), (1032, 834540), (1120, 768969), (1204, 715320), (1260, 683528), (1290, 667632), (1376, 625905), (1440, 598087), (1505, 572256), (1548, 556360), (1680, 512646), (1720, 500724), (1806, 476880), (1935, 445088), (1987, 433440), (2016, 427205), (2064, 417270), (2408, 357660), (2520, 341764), (2580, 333816), (2709, 317920), (3010, 286128), (3096, 278180), (3360, 256323), (3440, 250362), (3612, 238440), (3870, 222544), (3974, 216720), (4128, 208635), (4515, 190752), (4816, 178830), (5040, 170882), (5160, 166908), (5418, 158960), (5961, 144480), (6020, 143064), (6192, 139090), (6880, 125181), (7224, 119220), (7740, 111272), (7948, 108360), (9030, 95376), (9632, 89415), (9935, 86688), (10080, 85441), (10320, 83454), (10836, 79480), (11922, 72240), (12040, 71532), (12384, 69545), (13545, 63584), (13909, 61920), (14448, 59610), (15480, 55636), (15896, 54180), (17883, 48160), (18060, 47688), (19870, 43344), (20640, 41727), (21672, 39740), (23844, 36120), (24080, 35766), (27090, 31792), (27818, 30960), (28896, 29805)]