2171581920

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{709}}^2$

素因数の和:1442

約数の個数: 144

約数和(自身を含む): 7611271920

約数和(自身を除く): 5439690000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 540, 709, 720, 864, 1080, 1418, 1440, 2127, 2160, 2836, 3545, 4254, 4320, 5672, 6381, 7090, 8508, 10635, 11344, 12762, 14180, 17016, 19143, 21270, 22688, 25524, 28360, 31905, 34032, 38286, 42540, 51048, 56720, 63810, 68064, 76572, 85080, 95715, 102096, 113440, 127620, 153144, 170160, 191430, 204192, 255240, 306288, 340320, 382860, 502681, 510480, 612576, 765720, 1005362, 1020960, 1508043, 1531440, 2010724, 2513405, 3016086, 3062880, 4021448, 4524129, 5026810, 6032172, 7540215, 8042896, 9048258, 10053620, 12064344, 13572387, 15080430, 16085792, 18096516, 20107240, 22620645, 24128688, 27144774, 30160860, 36193032, 40214480, 45241290, 48257376, 54289548, 60321720, 67861935, 72386064, 80428960, 90482580, 108579096, 120643440, 135723870, 144772128, 180965160, 217158192, 241286880, 271447740, 361930320, 434316384, 542895480, 723860640, 1085790960, 2171581920]

約数ペア:

[(1, 2171581920), (2, 1085790960), (3, 723860640), (4, 542895480), (5, 434316384), (6, 361930320), (8, 271447740), (9, 241286880), (10, 217158192), (12, 180965160), (15, 144772128), (16, 135723870), (18, 120643440), (20, 108579096), (24, 90482580), (27, 80428960), (30, 72386064), (32, 67861935), (36, 60321720), (40, 54289548), (45, 48257376), (48, 45241290), (54, 40214480), (60, 36193032), (72, 30160860), (80, 27144774), (90, 24128688), (96, 22620645), (108, 20107240), (120, 18096516), (135, 16085792), (144, 15080430), (160, 13572387), (180, 12064344), (216, 10053620), (240, 9048258), (270, 8042896), (288, 7540215), (360, 6032172), (432, 5026810), (480, 4524129), (540, 4021448), (709, 3062880), (720, 3016086), (864, 2513405), (1080, 2010724), (1418, 1531440), (1440, 1508043), (2127, 1020960), (2160, 1005362), (2836, 765720), (3545, 612576), (4254, 510480), (4320, 502681), (5672, 382860), (6381, 340320), (7090, 306288), (8508, 255240), (10635, 204192), (11344, 191430), (12762, 170160), (14180, 153144), (17016, 127620), (19143, 113440), (21270, 102096), (22688, 95715), (25524, 85080), (28360, 76572), (31905, 68064), (34032, 63810), (38286, 56720), (42540, 51048)]