2161551105

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:544

約数の個数: 192

約数和(自身を含む): 4852224000

約数和(自身を除く): 2690672895

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 29, 31, 35, 45, 51, 63, 85, 87, 93, 105, 119, 145, 153, 155, 203, 217, 255, 261, 279, 315, 357, 435, 449, 465, 493, 527, 595, 609, 651, 765, 899, 1015, 1071, 1085, 1305, 1347, 1395, 1479, 1581, 1785, 1827, 1953, 2245, 2465, 2635, 2697, 3045, 3143, 3255, 3451, 3689, 4041, 4437, 4495, 4743, 5355, 6293, 6735, 7395, 7633, 7905, 8091, 9135, 9429, 9765, 10353, 11067, 13021, 13485, 13919, 15283, 15715, 17255, 18445, 18879, 20205, 22185, 22899, 23715, 28287, 31059, 31465, 33201, 38165, 39063, 40455, 41757, 45849, 47145, 51765, 53431, 55335, 56637, 65105, 68697, 69595, 76415, 91147, 94395, 97433, 106981, 114495, 117189, 125271, 137547, 141435, 155295, 160293, 166005, 195315, 208785, 221357, 229245, 236623, 267155, 273441, 283185, 292299, 320943, 343485, 403651, 455735, 480879, 487165, 534905, 585945, 626355, 664071, 687735, 709869, 801465, 820323, 876897, 962829, 1106785, 1183115, 1210953, 1367205, 1461495, 1549499, 1604715, 1656361, 1992213, 2018255, 2129607, 2404395, 2825557, 3320355, 3549345, 3632859, 4101615, 4384485, 4648497, 4814145, 4969083, 6054765, 6862067, 7747495, 8281805, 8476671, 9961065, 10648035, 13945491, 14127785, 14907249, 18164295, 20586201, 23242485, 24845415, 25430013, 34310335, 42383355, 48034469, 61758603, 69727455, 74536245, 102931005, 127150065, 144103407, 240172345, 308793015, 432310221, 720517035, 2161551105]

約数ペア:

[(1, 2161551105), (3, 720517035), (5, 432310221), (7, 308793015), (9, 240172345), (15, 144103407), (17, 127150065), (21, 102931005), (29, 74536245), (31, 69727455), (35, 61758603), (45, 48034469), (51, 42383355), (63, 34310335), (85, 25430013), (87, 24845415), (93, 23242485), (105, 20586201), (119, 18164295), (145, 14907249), (153, 14127785), (155, 13945491), (203, 10648035), (217, 9961065), (255, 8476671), (261, 8281805), (279, 7747495), (315, 6862067), (357, 6054765), (435, 4969083), (449, 4814145), (465, 4648497), (493, 4384485), (527, 4101615), (595, 3632859), (609, 3549345), (651, 3320355), (765, 2825557), (899, 2404395), (1015, 2129607), (1071, 2018255), (1085, 1992213), (1305, 1656361), (1347, 1604715), (1395, 1549499), (1479, 1461495), (1581, 1367205), (1785, 1210953), (1827, 1183115), (1953, 1106785), (2245, 962829), (2465, 876897), (2635, 820323), (2697, 801465), (3045, 709869), (3143, 687735), (3255, 664071), (3451, 626355), (3689, 585945), (4041, 534905), (4437, 487165), (4495, 480879), (4743, 455735), (5355, 403651), (6293, 343485), (6735, 320943), (7395, 292299), (7633, 283185), (7905, 273441), (8091, 267155), (9135, 236623), (9429, 229245), (9765, 221357), (10353, 208785), (11067, 195315), (13021, 166005), (13485, 160293), (13919, 155295), (15283, 141435), (15715, 137547), (17255, 125271), (18445, 117189), (18879, 114495), (20205, 106981), (22185, 97433), (22899, 94395), (23715, 91147), (28287, 76415), (31059, 69595), (31465, 68697), (33201, 65105), (38165, 56637), (39063, 55335), (40455, 53431), (41757, 51765), (45849, 47145)]