320405904

素因数分解:

$2^4\times 3^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{499}}^1$

素因数の和:547

約数の個数: 240

約数和(自身を含む): 1128400000

約数和(自身を除く): 807994096

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 36, 39, 42, 48, 49, 52, 56, 63, 72, 78, 84, 91, 98, 104, 112, 117, 126, 144, 147, 156, 168, 182, 196, 208, 234, 252, 273, 294, 312, 336, 343, 364, 392, 441, 468, 499, 504, 546, 588, 624, 637, 686, 728, 784, 819, 882, 936, 998, 1008, 1029, 1092, 1176, 1274, 1372, 1456, 1497, 1638, 1764, 1872, 1911, 1996, 2058, 2184, 2352, 2548, 2744, 2994, 3087, 3276, 3493, 3528, 3822, 3992, 4116, 4368, 4459, 4491, 5096, 5488, 5733, 5988, 6174, 6487, 6552, 6986, 7056, 7644, 7984, 8232, 8918, 8982, 10192, 10479, 11466, 11976, 12348, 12974, 13104, 13377, 13972, 15288, 16464, 17836, 17964, 19461, 20958, 22932, 23952, 24451, 24696, 25948, 26754, 27944, 30576, 31437, 35672, 35928, 38922, 40131, 41916, 45409, 45864, 48902, 49392, 51896, 53508, 55888, 58383, 62874, 71344, 71856, 73353, 77844, 80262, 83832, 90818, 91728, 97804, 103792, 107016, 116766, 125748, 136227, 146706, 155688, 160524, 167664, 171157, 181636, 195608, 214032, 220059, 233532, 251496, 272454, 293412, 311376, 317863, 321048, 342314, 363272, 391216, 408681, 440118, 467064, 502992, 513471, 544908, 586824, 635726, 642096, 684628, 726544, 817362, 880236, 934128, 953589, 1026942, 1089816, 1173648, 1271452, 1369256, 1540413, 1634724, 1760472, 1907178, 2053884, 2179632, 2225041, 2542904, 2738512, 2860767, 3080826, 3269448, 3520944, 3814356, 4107768, 4450082, 5085808, 5721534, 6161652, 6538896, 6675123, 7628712, 8215536, 8900164, 11443068, 12323304, 13350246, 15257424, 17800328, 20025369, 22886136, 24646608, 26700492, 35600656, 40050738, 45772272, 53400984, 80101476, 106801968, 160202952, 320405904]

約数ペア:

[(1, 320405904), (2, 160202952), (3, 106801968), (4, 80101476), (6, 53400984), (7, 45772272), (8, 40050738), (9, 35600656), (12, 26700492), (13, 24646608), (14, 22886136), (16, 20025369), (18, 17800328), (21, 15257424), (24, 13350246), (26, 12323304), (28, 11443068), (36, 8900164), (39, 8215536), (42, 7628712), (48, 6675123), (49, 6538896), (52, 6161652), (56, 5721534), (63, 5085808), (72, 4450082), (78, 4107768), (84, 3814356), (91, 3520944), (98, 3269448), (104, 3080826), (112, 2860767), (117, 2738512), (126, 2542904), (144, 2225041), (147, 2179632), (156, 2053884), (168, 1907178), (182, 1760472), (196, 1634724), (208, 1540413), (234, 1369256), (252, 1271452), (273, 1173648), (294, 1089816), (312, 1026942), (336, 953589), (343, 934128), (364, 880236), (392, 817362), (441, 726544), (468, 684628), (499, 642096), (504, 635726), (546, 586824), (588, 544908), (624, 513471), (637, 502992), (686, 467064), (728, 440118), (784, 408681), (819, 391216), (882, 363272), (936, 342314), (998, 321048), (1008, 317863), (1029, 311376), (1092, 293412), (1176, 272454), (1274, 251496), (1372, 233532), (1456, 220059), (1497, 214032), (1638, 195608), (1764, 181636), (1872, 171157), (1911, 167664), (1996, 160524), (2058, 155688), (2184, 146706), (2352, 136227), (2548, 125748), (2744, 116766), (2994, 107016), (3087, 103792), (3276, 97804), (3493, 91728), (3528, 90818), (3822, 83832), (3992, 80262), (4116, 77844), (4368, 73353), (4459, 71856), (4491, 71344), (5096, 62874), (5488, 58383), (5733, 55888), (5988, 53508), (6174, 51896), (6487, 49392), (6552, 48902), (6986, 45864), (7056, 45409), (7644, 41916), (7984, 40131), (8232, 38922), (8918, 35928), (8982, 35672), (10192, 31437), (10479, 30576), (11466, 27944), (11976, 26754), (12348, 25948), (12974, 24696), (13104, 24451), (13377, 23952), (13972, 22932), (15288, 20958), (16464, 19461), (17836, 17964)]