171521280

素因数分解:

$2^8\times 3^3\times 5^1\times 7^1\times {\mathrm{709}}^1$

素因数の和:746

約数の個数: 288

約数和(自身を含む): 696595200

約数和(自身を除く): 525073920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 256, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 540, 560, 576, 630, 640, 672, 709, 720, 756, 768, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1260, 1280, 1344, 1418, 1440, 1512, 1680, 1728, 1792, 1890, 1920, 2016, 2127, 2160, 2240, 2304, 2520, 2688, 2836, 2880, 3024, 3360, 3456, 3545, 3780, 3840, 4032, 4254, 4320, 4480, 4963, 5040, 5376, 5672, 5760, 6048, 6381, 6720, 6912, 7090, 7560, 8064, 8508, 8640, 8960, 9926, 10080, 10635, 11344, 11520, 12096, 12762, 13440, 14180, 14889, 15120, 16128, 17016, 17280, 19143, 19852, 20160, 21270, 22688, 24192, 24815, 25524, 26880, 28360, 29778, 30240, 31905, 34032, 34560, 38286, 39704, 40320, 42540, 44667, 45376, 48384, 49630, 51048, 56720, 59556, 60480, 63810, 68064, 74445, 76572, 79408, 80640, 85080, 89334, 90752, 95715, 99260, 102096, 113440, 119112, 120960, 127620, 134001, 136128, 148890, 153144, 158816, 170160, 178668, 181504, 191430, 198520, 204192, 223335, 226880, 238224, 241920, 255240, 268002, 272256, 297780, 306288, 317632, 340320, 357336, 382860, 397040, 408384, 446670, 453760, 476448, 510480, 536004, 544512, 595560, 612576, 635264, 670005, 680640, 714672, 765720, 794080, 816768, 893340, 907520, 952896, 1020960, 1072008, 1191120, 1225152, 1270528, 1340010, 1361280, 1429344, 1531440, 1588160, 1633536, 1786680, 1905792, 2041920, 2144016, 2382240, 2450304, 2680020, 2722560, 2858688, 3062880, 3176320, 3573360, 3811584, 4083840, 4288032, 4764480, 4900608, 5360040, 5717376, 6125760, 6352640, 7146720, 8167680, 8576064, 9528960, 10720080, 11434752, 12251520, 14293440, 17152128, 19057920, 21440160, 24503040, 28586880, 34304256, 42880320, 57173760, 85760640, 171521280]

約数ペア:

[(1, 171521280), (2, 85760640), (3, 57173760), (4, 42880320), (5, 34304256), (6, 28586880), (7, 24503040), (8, 21440160), (9, 19057920), (10, 17152128), (12, 14293440), (14, 12251520), (15, 11434752), (16, 10720080), (18, 9528960), (20, 8576064), (21, 8167680), (24, 7146720), (27, 6352640), (28, 6125760), (30, 5717376), (32, 5360040), (35, 4900608), (36, 4764480), (40, 4288032), (42, 4083840), (45, 3811584), (48, 3573360), (54, 3176320), (56, 3062880), (60, 2858688), (63, 2722560), (64, 2680020), (70, 2450304), (72, 2382240), (80, 2144016), (84, 2041920), (90, 1905792), (96, 1786680), (105, 1633536), (108, 1588160), (112, 1531440), (120, 1429344), (126, 1361280), (128, 1340010), (135, 1270528), (140, 1225152), (144, 1191120), (160, 1072008), (168, 1020960), (180, 952896), (189, 907520), (192, 893340), (210, 816768), (216, 794080), (224, 765720), (240, 714672), (252, 680640), (256, 670005), (270, 635264), (280, 612576), (288, 595560), (315, 544512), (320, 536004), (336, 510480), (360, 476448), (378, 453760), (384, 446670), (420, 408384), (432, 397040), (448, 382860), (480, 357336), (504, 340320), (540, 317632), (560, 306288), (576, 297780), (630, 272256), (640, 268002), (672, 255240), (709, 241920), (720, 238224), (756, 226880), (768, 223335), (840, 204192), (864, 198520), (896, 191430), (945, 181504), (960, 178668), (1008, 170160), (1080, 158816), (1120, 153144), (1152, 148890), (1260, 136128), (1280, 134001), (1344, 127620), (1418, 120960), (1440, 119112), (1512, 113440), (1680, 102096), (1728, 99260), (1792, 95715), (1890, 90752), (1920, 89334), (2016, 85080), (2127, 80640), (2160, 79408), (2240, 76572), (2304, 74445), (2520, 68064), (2688, 63810), (2836, 60480), (2880, 59556), (3024, 56720), (3360, 51048), (3456, 49630), (3545, 48384), (3780, 45376), (3840, 44667), (4032, 42540), (4254, 40320), (4320, 39704), (4480, 38286), (4963, 34560), (5040, 34032), (5376, 31905), (5672, 30240), (5760, 29778), (6048, 28360), (6381, 26880), (6720, 25524), (6912, 24815), (7090, 24192), (7560, 22688), (8064, 21270), (8508, 20160), (8640, 19852), (8960, 19143), (9926, 17280), (10080, 17016), (10635, 16128), (11344, 15120), (11520, 14889), (12096, 14180), (12762, 13440)]