320517288

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:169

約数の個数: 288

約数和(自身を含む): 1109946240

約数和(自身を除く): 789428952

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 39, 42, 52, 53, 56, 63, 71, 72, 78, 84, 91, 104, 106, 117, 126, 142, 156, 159, 168, 169, 182, 212, 213, 234, 252, 273, 284, 312, 318, 338, 364, 371, 424, 426, 468, 477, 497, 504, 507, 546, 568, 636, 639, 676, 689, 728, 742, 819, 852, 923, 936, 954, 994, 1014, 1092, 1113, 1183, 1272, 1278, 1352, 1378, 1484, 1491, 1521, 1638, 1704, 1846, 1908, 1988, 2028, 2067, 2184, 2226, 2366, 2556, 2756, 2769, 2968, 2982, 3042, 3276, 3339, 3549, 3692, 3763, 3816, 3976, 4056, 4134, 4452, 4473, 4732, 4823, 5112, 5512, 5538, 5964, 6084, 6201, 6461, 6552, 6678, 7098, 7384, 7526, 8268, 8307, 8904, 8946, 8957, 9464, 9646, 10647, 11076, 11289, 11928, 11999, 12168, 12402, 12922, 13356, 14196, 14469, 15052, 16536, 16614, 17892, 17914, 19292, 19383, 21294, 22152, 22578, 23998, 24804, 25844, 26341, 26712, 26871, 28392, 28938, 30104, 33228, 33867, 35784, 35828, 35997, 38584, 38766, 42588, 43407, 45156, 47996, 48919, 49608, 51688, 52682, 53742, 57876, 58149, 62699, 66456, 67734, 71656, 71994, 77532, 79023, 80613, 83993, 85176, 86814, 90312, 95992, 97838, 105364, 107484, 107991, 115752, 116298, 125398, 135468, 143988, 146757, 155064, 158046, 161226, 167986, 173628, 188097, 195676, 210728, 214968, 215982, 232596, 237069, 250796, 251979, 270936, 287976, 293514, 316092, 322452, 335972, 342433, 347256, 376194, 391352, 431964, 440271, 465192, 474138, 501592, 503958, 564291, 587028, 632184, 635947, 644904, 671944, 684866, 752388, 755937, 863928, 880542, 948276, 1007916, 1027299, 1128582, 1174056, 1271894, 1369732, 1504776, 1511874, 1761084, 1896552, 1907841, 2015832, 2054598, 2257164, 2543788, 2739464, 3023748, 3081897, 3522168, 3815682, 4109196, 4451629, 4514328, 5087576, 5723523, 6047496, 6163794, 7631364, 8218392, 8903258, 11447046, 12327588, 13354887, 15262728, 17806516, 22894092, 24655176, 26709774, 35613032, 40064661, 45788184, 53419548, 80129322, 106839096, 160258644, 320517288]

約数ペア:

[(1, 320517288), (2, 160258644), (3, 106839096), (4, 80129322), (6, 53419548), (7, 45788184), (8, 40064661), (9, 35613032), (12, 26709774), (13, 24655176), (14, 22894092), (18, 17806516), (21, 15262728), (24, 13354887), (26, 12327588), (28, 11447046), (36, 8903258), (39, 8218392), (42, 7631364), (52, 6163794), (53, 6047496), (56, 5723523), (63, 5087576), (71, 4514328), (72, 4451629), (78, 4109196), (84, 3815682), (91, 3522168), (104, 3081897), (106, 3023748), (117, 2739464), (126, 2543788), (142, 2257164), (156, 2054598), (159, 2015832), (168, 1907841), (169, 1896552), (182, 1761084), (212, 1511874), (213, 1504776), (234, 1369732), (252, 1271894), (273, 1174056), (284, 1128582), (312, 1027299), (318, 1007916), (338, 948276), (364, 880542), (371, 863928), (424, 755937), (426, 752388), (468, 684866), (477, 671944), (497, 644904), (504, 635947), (507, 632184), (546, 587028), (568, 564291), (636, 503958), (639, 501592), (676, 474138), (689, 465192), (728, 440271), (742, 431964), (819, 391352), (852, 376194), (923, 347256), (936, 342433), (954, 335972), (994, 322452), (1014, 316092), (1092, 293514), (1113, 287976), (1183, 270936), (1272, 251979), (1278, 250796), (1352, 237069), (1378, 232596), (1484, 215982), (1491, 214968), (1521, 210728), (1638, 195676), (1704, 188097), (1846, 173628), (1908, 167986), (1988, 161226), (2028, 158046), (2067, 155064), (2184, 146757), (2226, 143988), (2366, 135468), (2556, 125398), (2756, 116298), (2769, 115752), (2968, 107991), (2982, 107484), (3042, 105364), (3276, 97838), (3339, 95992), (3549, 90312), (3692, 86814), (3763, 85176), (3816, 83993), (3976, 80613), (4056, 79023), (4134, 77532), (4452, 71994), (4473, 71656), (4732, 67734), (4823, 66456), (5112, 62699), (5512, 58149), (5538, 57876), (5964, 53742), (6084, 52682), (6201, 51688), (6461, 49608), (6552, 48919), (6678, 47996), (7098, 45156), (7384, 43407), (7526, 42588), (8268, 38766), (8307, 38584), (8904, 35997), (8946, 35828), (8957, 35784), (9464, 33867), (9646, 33228), (10647, 30104), (11076, 28938), (11289, 28392), (11928, 26871), (11999, 26712), (12168, 26341), (12402, 25844), (12922, 24804), (13356, 23998), (14196, 22578), (14469, 22152), (15052, 21294), (16536, 19383), (16614, 19292), (17892, 17914)]