638902080

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{157}}^2$

素因数の和:343

約数の個数: 210

約数和(自身を含む): 2287255014

約数和(自身を除く): 1648352934

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, 81, 90, 96, 108, 120, 135, 144, 157, 160, 162, 180, 192, 216, 240, 270, 288, 314, 320, 324, 360, 405, 432, 471, 480, 540, 576, 628, 648, 720, 785, 810, 864, 942, 960, 1080, 1256, 1296, 1413, 1440, 1570, 1620, 1728, 1884, 2160, 2355, 2512, 2592, 2826, 2880, 3140, 3240, 3768, 4239, 4320, 4710, 5024, 5184, 5652, 6280, 6480, 7065, 7536, 8478, 8640, 9420, 10048, 11304, 12560, 12717, 12960, 14130, 15072, 16956, 18840, 21195, 22608, 24649, 25120, 25434, 25920, 28260, 30144, 33912, 37680, 42390, 45216, 49298, 50240, 50868, 56520, 63585, 67824, 73947, 75360, 84780, 90432, 98596, 101736, 113040, 123245, 127170, 135648, 147894, 150720, 169560, 197192, 203472, 221841, 226080, 246490, 254340, 271296, 295788, 339120, 369735, 394384, 406944, 443682, 452160, 492980, 508680, 591576, 665523, 678240, 739470, 788768, 813888, 887364, 985960, 1017360, 1109205, 1183152, 1331046, 1356480, 1478940, 1577536, 1774728, 1971920, 1996569, 2034720, 2218410, 2366304, 2662092, 2957880, 3327615, 3549456, 3943840, 3993138, 4069440, 4436820, 4732608, 5324184, 5915760, 6655230, 7098912, 7887680, 7986276, 8873640, 9982845, 10648368, 11831520, 13310460, 14197824, 15972552, 17747280, 19965690, 21296736, 23663040, 26620920, 31945104, 35494560, 39931380, 42593472, 53241840, 63890208, 70989120, 79862760, 106483680, 127780416, 159725520, 212967360, 319451040, 638902080]

約数ペア:

[(1, 638902080), (2, 319451040), (3, 212967360), (4, 159725520), (5, 127780416), (6, 106483680), (8, 79862760), (9, 70989120), (10, 63890208), (12, 53241840), (15, 42593472), (16, 39931380), (18, 35494560), (20, 31945104), (24, 26620920), (27, 23663040), (30, 21296736), (32, 19965690), (36, 17747280), (40, 15972552), (45, 14197824), (48, 13310460), (54, 11831520), (60, 10648368), (64, 9982845), (72, 8873640), (80, 7986276), (81, 7887680), (90, 7098912), (96, 6655230), (108, 5915760), (120, 5324184), (135, 4732608), (144, 4436820), (157, 4069440), (160, 3993138), (162, 3943840), (180, 3549456), (192, 3327615), (216, 2957880), (240, 2662092), (270, 2366304), (288, 2218410), (314, 2034720), (320, 1996569), (324, 1971920), (360, 1774728), (405, 1577536), (432, 1478940), (471, 1356480), (480, 1331046), (540, 1183152), (576, 1109205), (628, 1017360), (648, 985960), (720, 887364), (785, 813888), (810, 788768), (864, 739470), (942, 678240), (960, 665523), (1080, 591576), (1256, 508680), (1296, 492980), (1413, 452160), (1440, 443682), (1570, 406944), (1620, 394384), (1728, 369735), (1884, 339120), (2160, 295788), (2355, 271296), (2512, 254340), (2592, 246490), (2826, 226080), (2880, 221841), (3140, 203472), (3240, 197192), (3768, 169560), (4239, 150720), (4320, 147894), (4710, 135648), (5024, 127170), (5184, 123245), (5652, 113040), (6280, 101736), (6480, 98596), (7065, 90432), (7536, 84780), (8478, 75360), (8640, 73947), (9420, 67824), (10048, 63585), (11304, 56520), (12560, 50868), (12717, 50240), (12960, 49298), (14130, 45216), (15072, 42390), (16956, 37680), (18840, 33912), (21195, 30144), (22608, 28260), (24649, 25920), (25120, 25434)]