208275840

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{709}}^1$

素因数の和:754

約数の個数: 256

約数和(自身を含む): 782136000

約数和(自身を除く): 573860160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 64, 68, 72, 80, 85, 90, 96, 102, 108, 120, 128, 135, 136, 144, 153, 160, 170, 180, 192, 204, 216, 240, 255, 270, 272, 288, 306, 320, 340, 360, 384, 408, 432, 459, 480, 510, 540, 544, 576, 612, 640, 680, 709, 720, 765, 816, 864, 918, 960, 1020, 1080, 1088, 1152, 1224, 1360, 1418, 1440, 1530, 1632, 1728, 1836, 1920, 2040, 2127, 2160, 2176, 2295, 2448, 2720, 2836, 2880, 3060, 3264, 3456, 3545, 3672, 4080, 4254, 4320, 4590, 4896, 5440, 5672, 5760, 6120, 6381, 6528, 7090, 7344, 8160, 8508, 8640, 9180, 9792, 10635, 10880, 11344, 12053, 12240, 12762, 14180, 14688, 16320, 17016, 17280, 18360, 19143, 19584, 21270, 22688, 24106, 24480, 25524, 28360, 29376, 31905, 32640, 34032, 36159, 36720, 38286, 42540, 45376, 48212, 48960, 51048, 56720, 58752, 60265, 63810, 68064, 72318, 73440, 76572, 85080, 90752, 95715, 96424, 97920, 102096, 108477, 113440, 120530, 127620, 136128, 144636, 146880, 153144, 170160, 180795, 191430, 192848, 204192, 216954, 226880, 241060, 255240, 272256, 289272, 293760, 306288, 325431, 340320, 361590, 382860, 385696, 408384, 433908, 453760, 482120, 510480, 542385, 578544, 612576, 650862, 680640, 723180, 765720, 771392, 816768, 867816, 964240, 1020960, 1084770, 1157088, 1225152, 1301724, 1361280, 1446360, 1531440, 1542784, 1627155, 1735632, 1928480, 2041920, 2169540, 2314176, 2450304, 2603448, 2892720, 3062880, 3254310, 3471264, 3856960, 4083840, 4339080, 4628352, 5206896, 5785440, 6125760, 6508620, 6942528, 7713920, 8678160, 10413792, 11570880, 12251520, 13017240, 13885056, 17356320, 20827584, 23141760, 26034480, 34712640, 41655168, 52068960, 69425280, 104137920, 208275840]

約数ペア:

[(1, 208275840), (2, 104137920), (3, 69425280), (4, 52068960), (5, 41655168), (6, 34712640), (8, 26034480), (9, 23141760), (10, 20827584), (12, 17356320), (15, 13885056), (16, 13017240), (17, 12251520), (18, 11570880), (20, 10413792), (24, 8678160), (27, 7713920), (30, 6942528), (32, 6508620), (34, 6125760), (36, 5785440), (40, 5206896), (45, 4628352), (48, 4339080), (51, 4083840), (54, 3856960), (60, 3471264), (64, 3254310), (68, 3062880), (72, 2892720), (80, 2603448), (85, 2450304), (90, 2314176), (96, 2169540), (102, 2041920), (108, 1928480), (120, 1735632), (128, 1627155), (135, 1542784), (136, 1531440), (144, 1446360), (153, 1361280), (160, 1301724), (170, 1225152), (180, 1157088), (192, 1084770), (204, 1020960), (216, 964240), (240, 867816), (255, 816768), (270, 771392), (272, 765720), (288, 723180), (306, 680640), (320, 650862), (340, 612576), (360, 578544), (384, 542385), (408, 510480), (432, 482120), (459, 453760), (480, 433908), (510, 408384), (540, 385696), (544, 382860), (576, 361590), (612, 340320), (640, 325431), (680, 306288), (709, 293760), (720, 289272), (765, 272256), (816, 255240), (864, 241060), (918, 226880), (960, 216954), (1020, 204192), (1080, 192848), (1088, 191430), (1152, 180795), (1224, 170160), (1360, 153144), (1418, 146880), (1440, 144636), (1530, 136128), (1632, 127620), (1728, 120530), (1836, 113440), (1920, 108477), (2040, 102096), (2127, 97920), (2160, 96424), (2176, 95715), (2295, 90752), (2448, 85080), (2720, 76572), (2836, 73440), (2880, 72318), (3060, 68064), (3264, 63810), (3456, 60265), (3545, 58752), (3672, 56720), (4080, 51048), (4254, 48960), (4320, 48212), (4590, 45376), (4896, 42540), (5440, 38286), (5672, 36720), (5760, 36159), (6120, 34032), (6381, 32640), (6528, 31905), (7090, 29376), (7344, 28360), (8160, 25524), (8508, 24480), (8640, 24106), (9180, 22688), (9792, 21270), (10635, 19584), (10880, 19143), (11344, 18360), (12053, 17280), (12240, 17016), (12762, 16320), (14180, 14688)]