397422720

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:348

約数の個数: 256

約数和(自身を含む): 1427184000

約数和(自身を除く): 1029761280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 109, 120, 128, 135, 144, 160, 180, 192, 211, 216, 218, 240, 270, 288, 320, 327, 360, 384, 422, 432, 436, 480, 540, 545, 576, 633, 640, 654, 720, 844, 864, 872, 960, 981, 1055, 1080, 1090, 1152, 1266, 1308, 1440, 1635, 1688, 1728, 1744, 1899, 1920, 1962, 2110, 2160, 2180, 2532, 2616, 2880, 2943, 3165, 3270, 3376, 3456, 3488, 3798, 3924, 4220, 4320, 4360, 4905, 5064, 5232, 5697, 5760, 5886, 6330, 6540, 6752, 6976, 7596, 7848, 8440, 8640, 8720, 9495, 9810, 10128, 10464, 11394, 11772, 12660, 13080, 13504, 13952, 14715, 15192, 15696, 16880, 17280, 17440, 18990, 19620, 20256, 20928, 22788, 22999, 23544, 25320, 26160, 27008, 28485, 29430, 30384, 31392, 33760, 34880, 37980, 39240, 40512, 41856, 45576, 45998, 47088, 50640, 52320, 56970, 58860, 60768, 62784, 67520, 68997, 69760, 75960, 78480, 81024, 91152, 91996, 94176, 101280, 104640, 113940, 114995, 117720, 121536, 125568, 135040, 137994, 151920, 156960, 182304, 183992, 188352, 202560, 206991, 209280, 227880, 229990, 235440, 243072, 275988, 303840, 313920, 344985, 364608, 367984, 376704, 405120, 413982, 455760, 459980, 470880, 551976, 607680, 620973, 627840, 689970, 729216, 735968, 827964, 911520, 919960, 941760, 1034955, 1103952, 1215360, 1241946, 1379940, 1471936, 1655928, 1823040, 1839920, 1883520, 2069910, 2207904, 2483892, 2759880, 2943872, 3104865, 3311856, 3646080, 3679840, 4139820, 4415808, 4967784, 5519760, 6209730, 6623712, 7359680, 8279640, 8831616, 9935568, 11039520, 12419460, 13247424, 14719360, 16559280, 19871136, 22079040, 24838920, 26494848, 33118560, 39742272, 44158080, 49677840, 66237120, 79484544, 99355680, 132474240, 198711360, 397422720]

約数ペア:

[(1, 397422720), (2, 198711360), (3, 132474240), (4, 99355680), (5, 79484544), (6, 66237120), (8, 49677840), (9, 44158080), (10, 39742272), (12, 33118560), (15, 26494848), (16, 24838920), (18, 22079040), (20, 19871136), (24, 16559280), (27, 14719360), (30, 13247424), (32, 12419460), (36, 11039520), (40, 9935568), (45, 8831616), (48, 8279640), (54, 7359680), (60, 6623712), (64, 6209730), (72, 5519760), (80, 4967784), (90, 4415808), (96, 4139820), (108, 3679840), (109, 3646080), (120, 3311856), (128, 3104865), (135, 2943872), (144, 2759880), (160, 2483892), (180, 2207904), (192, 2069910), (211, 1883520), (216, 1839920), (218, 1823040), (240, 1655928), (270, 1471936), (288, 1379940), (320, 1241946), (327, 1215360), (360, 1103952), (384, 1034955), (422, 941760), (432, 919960), (436, 911520), (480, 827964), (540, 735968), (545, 729216), (576, 689970), (633, 627840), (640, 620973), (654, 607680), (720, 551976), (844, 470880), (864, 459980), (872, 455760), (960, 413982), (981, 405120), (1055, 376704), (1080, 367984), (1090, 364608), (1152, 344985), (1266, 313920), (1308, 303840), (1440, 275988), (1635, 243072), (1688, 235440), (1728, 229990), (1744, 227880), (1899, 209280), (1920, 206991), (1962, 202560), (2110, 188352), (2160, 183992), (2180, 182304), (2532, 156960), (2616, 151920), (2880, 137994), (2943, 135040), (3165, 125568), (3270, 121536), (3376, 117720), (3456, 114995), (3488, 113940), (3798, 104640), (3924, 101280), (4220, 94176), (4320, 91996), (4360, 91152), (4905, 81024), (5064, 78480), (5232, 75960), (5697, 69760), (5760, 68997), (5886, 67520), (6330, 62784), (6540, 60768), (6752, 58860), (6976, 56970), (7596, 52320), (7848, 50640), (8440, 47088), (8640, 45998), (8720, 45576), (9495, 41856), (9810, 40512), (10128, 39240), (10464, 37980), (11394, 34880), (11772, 33760), (12660, 31392), (13080, 30384), (13504, 29430), (13952, 28485), (14715, 27008), (15192, 26160), (15696, 25320), (16880, 23544), (17280, 22999), (17440, 22788), (18990, 20928), (19620, 20256)]