638599680

素因数分解:

$2^9\times 3^3\times 5^1\times {\mathrm{9239}}^1$

素因数の和:9271

約数の個数: 160

約数和(自身を含む): 2268604800

約数和(自身を除く): 1630005120

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, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 512, 540, 576, 640, 720, 768, 864, 960, 1080, 1152, 1280, 1440, 1536, 1728, 1920, 2160, 2304, 2560, 2880, 3456, 3840, 4320, 4608, 5760, 6912, 7680, 8640, 9239, 11520, 13824, 17280, 18478, 23040, 27717, 34560, 36956, 46195, 55434, 69120, 73912, 83151, 92390, 110868, 138585, 147824, 166302, 184780, 221736, 249453, 277170, 295648, 332604, 369560, 415755, 443472, 498906, 554340, 591296, 665208, 739120, 831510, 886944, 997812, 1108680, 1182592, 1247265, 1330416, 1478240, 1663020, 1773888, 1995624, 2217360, 2365184, 2494530, 2660832, 2956480, 3326040, 3547776, 3991248, 4434720, 4730368, 4989060, 5321664, 5912960, 6652080, 7095552, 7982496, 8869440, 9978120, 10643328, 11825920, 13304160, 14191104, 15964992, 17738880, 19956240, 21286656, 23651840, 26608320, 31929984, 35477760, 39912480, 42573312, 53216640, 63859968, 70955520, 79824960, 106433280, 127719936, 159649920, 212866560, 319299840, 638599680]

約数ペア:

[(1, 638599680), (2, 319299840), (3, 212866560), (4, 159649920), (5, 127719936), (6, 106433280), (8, 79824960), (9, 70955520), (10, 63859968), (12, 53216640), (15, 42573312), (16, 39912480), (18, 35477760), (20, 31929984), (24, 26608320), (27, 23651840), (30, 21286656), (32, 19956240), (36, 17738880), (40, 15964992), (45, 14191104), (48, 13304160), (54, 11825920), (60, 10643328), (64, 9978120), (72, 8869440), (80, 7982496), (90, 7095552), (96, 6652080), (108, 5912960), (120, 5321664), (128, 4989060), (135, 4730368), (144, 4434720), (160, 3991248), (180, 3547776), (192, 3326040), (216, 2956480), (240, 2660832), (256, 2494530), (270, 2365184), (288, 2217360), (320, 1995624), (360, 1773888), (384, 1663020), (432, 1478240), (480, 1330416), (512, 1247265), (540, 1182592), (576, 1108680), (640, 997812), (720, 886944), (768, 831510), (864, 739120), (960, 665208), (1080, 591296), (1152, 554340), (1280, 498906), (1440, 443472), (1536, 415755), (1728, 369560), (1920, 332604), (2160, 295648), (2304, 277170), (2560, 249453), (2880, 221736), (3456, 184780), (3840, 166302), (4320, 147824), (4608, 138585), (5760, 110868), (6912, 92390), (7680, 83151), (8640, 73912), (9239, 69120), (11520, 55434), (13824, 46195), (17280, 36956), (18478, 34560), (23040, 27717)]