281240640

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{757}}^1$

素因数の和:826

約数の個数: 224

約数和(自身を含む): 1016568960

約数和(自身を除く): 735328320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 43, 45, 48, 54, 60, 64, 72, 80, 86, 90, 96, 108, 120, 129, 135, 144, 160, 172, 180, 192, 215, 216, 240, 258, 270, 288, 320, 344, 360, 387, 430, 432, 480, 516, 540, 576, 645, 688, 720, 757, 774, 860, 864, 960, 1032, 1080, 1161, 1290, 1376, 1440, 1514, 1548, 1720, 1728, 1935, 2064, 2160, 2271, 2322, 2580, 2752, 2880, 3028, 3096, 3440, 3785, 3870, 4128, 4320, 4542, 4644, 5160, 5805, 6056, 6192, 6813, 6880, 7570, 7740, 8256, 8640, 9084, 9288, 10320, 11355, 11610, 12112, 12384, 13626, 13760, 15140, 15480, 18168, 18576, 20439, 20640, 22710, 23220, 24224, 24768, 27252, 30280, 30960, 32551, 34065, 36336, 37152, 40878, 41280, 45420, 46440, 48448, 54504, 60560, 61920, 65102, 68130, 72672, 74304, 81756, 90840, 92880, 97653, 102195, 109008, 121120, 123840, 130204, 136260, 145344, 162755, 163512, 181680, 185760, 195306, 204390, 218016, 242240, 260408, 272520, 292959, 325510, 327024, 363360, 371520, 390612, 408780, 436032, 488265, 520816, 545040, 585918, 651020, 654048, 726720, 781224, 817560, 878877, 976530, 1041632, 1090080, 1171836, 1302040, 1308096, 1464795, 1562448, 1635120, 1757754, 1953060, 2083264, 2180160, 2343672, 2604080, 2929590, 3124896, 3270240, 3515508, 3906120, 4394385, 4687344, 5208160, 5859180, 6249792, 6540480, 7031016, 7812240, 8788770, 9374688, 10416320, 11718360, 14062032, 15624480, 17577540, 18749376, 23436720, 28124064, 31248960, 35155080, 46873440, 56248128, 70310160, 93746880, 140620320, 281240640]

約数ペア:

[(1, 281240640), (2, 140620320), (3, 93746880), (4, 70310160), (5, 56248128), (6, 46873440), (8, 35155080), (9, 31248960), (10, 28124064), (12, 23436720), (15, 18749376), (16, 17577540), (18, 15624480), (20, 14062032), (24, 11718360), (27, 10416320), (30, 9374688), (32, 8788770), (36, 7812240), (40, 7031016), (43, 6540480), (45, 6249792), (48, 5859180), (54, 5208160), (60, 4687344), (64, 4394385), (72, 3906120), (80, 3515508), (86, 3270240), (90, 3124896), (96, 2929590), (108, 2604080), (120, 2343672), (129, 2180160), (135, 2083264), (144, 1953060), (160, 1757754), (172, 1635120), (180, 1562448), (192, 1464795), (215, 1308096), (216, 1302040), (240, 1171836), (258, 1090080), (270, 1041632), (288, 976530), (320, 878877), (344, 817560), (360, 781224), (387, 726720), (430, 654048), (432, 651020), (480, 585918), (516, 545040), (540, 520816), (576, 488265), (645, 436032), (688, 408780), (720, 390612), (757, 371520), (774, 363360), (860, 327024), (864, 325510), (960, 292959), (1032, 272520), (1080, 260408), (1161, 242240), (1290, 218016), (1376, 204390), (1440, 195306), (1514, 185760), (1548, 181680), (1720, 163512), (1728, 162755), (1935, 145344), (2064, 136260), (2160, 130204), (2271, 123840), (2322, 121120), (2580, 109008), (2752, 102195), (2880, 97653), (3028, 92880), (3096, 90840), (3440, 81756), (3785, 74304), (3870, 72672), (4128, 68130), (4320, 65102), (4542, 61920), (4644, 60560), (5160, 54504), (5805, 48448), (6056, 46440), (6192, 45420), (6813, 41280), (6880, 40878), (7570, 37152), (7740, 36336), (8256, 34065), (8640, 32551), (9084, 30960), (9288, 30280), (10320, 27252), (11355, 24768), (11610, 24224), (12112, 23220), (12384, 22710), (13626, 20640), (13760, 20439), (15140, 18576), (15480, 18168)]