204030720

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:315

約数の個数: 216

約数和(自身を含む): 717444000

約数和(自身を除く): 513413280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 89, 90, 96, 120, 128, 144, 160, 178, 180, 192, 199, 240, 256, 267, 288, 320, 356, 360, 384, 398, 445, 480, 534, 576, 597, 640, 712, 720, 768, 796, 801, 890, 960, 995, 1068, 1152, 1194, 1280, 1335, 1424, 1440, 1592, 1602, 1780, 1791, 1920, 1990, 2136, 2304, 2388, 2670, 2848, 2880, 2985, 3184, 3204, 3560, 3582, 3840, 3980, 4005, 4272, 4776, 5340, 5696, 5760, 5970, 6368, 6408, 7120, 7164, 7960, 8010, 8544, 8955, 9552, 10680, 11392, 11520, 11940, 12736, 12816, 14240, 14328, 15920, 16020, 17088, 17711, 17910, 19104, 21360, 22784, 23880, 25472, 25632, 28480, 28656, 31840, 32040, 34176, 35422, 35820, 38208, 42720, 47760, 50944, 51264, 53133, 56960, 57312, 63680, 64080, 68352, 70844, 71640, 76416, 85440, 88555, 95520, 102528, 106266, 113920, 114624, 127360, 128160, 141688, 143280, 152832, 159399, 170880, 177110, 191040, 205056, 212532, 229248, 254720, 256320, 265665, 283376, 286560, 318798, 341760, 354220, 382080, 425064, 458496, 512640, 531330, 566752, 573120, 637596, 708440, 764160, 796995, 850128, 1025280, 1062660, 1133504, 1146240, 1275192, 1416880, 1593990, 1700256, 2125320, 2267008, 2292480, 2550384, 2833760, 3187980, 3400512, 4250640, 4534016, 5100768, 5667520, 6375960, 6801024, 8501280, 10201536, 11335040, 12751920, 13602048, 17002560, 20403072, 22670080, 25503840, 34005120, 40806144, 51007680, 68010240, 102015360, 204030720]

約数ペア:

[(1, 204030720), (2, 102015360), (3, 68010240), (4, 51007680), (5, 40806144), (6, 34005120), (8, 25503840), (9, 22670080), (10, 20403072), (12, 17002560), (15, 13602048), (16, 12751920), (18, 11335040), (20, 10201536), (24, 8501280), (30, 6801024), (32, 6375960), (36, 5667520), (40, 5100768), (45, 4534016), (48, 4250640), (60, 3400512), (64, 3187980), (72, 2833760), (80, 2550384), (89, 2292480), (90, 2267008), (96, 2125320), (120, 1700256), (128, 1593990), (144, 1416880), (160, 1275192), (178, 1146240), (180, 1133504), (192, 1062660), (199, 1025280), (240, 850128), (256, 796995), (267, 764160), (288, 708440), (320, 637596), (356, 573120), (360, 566752), (384, 531330), (398, 512640), (445, 458496), (480, 425064), (534, 382080), (576, 354220), (597, 341760), (640, 318798), (712, 286560), (720, 283376), (768, 265665), (796, 256320), (801, 254720), (890, 229248), (960, 212532), (995, 205056), (1068, 191040), (1152, 177110), (1194, 170880), (1280, 159399), (1335, 152832), (1424, 143280), (1440, 141688), (1592, 128160), (1602, 127360), (1780, 114624), (1791, 113920), (1920, 106266), (1990, 102528), (2136, 95520), (2304, 88555), (2388, 85440), (2670, 76416), (2848, 71640), (2880, 70844), (2985, 68352), (3184, 64080), (3204, 63680), (3560, 57312), (3582, 56960), (3840, 53133), (3980, 51264), (4005, 50944), (4272, 47760), (4776, 42720), (5340, 38208), (5696, 35820), (5760, 35422), (5970, 34176), (6368, 32040), (6408, 31840), (7120, 28656), (7164, 28480), (7960, 25632), (8010, 25472), (8544, 23880), (8955, 22784), (9552, 21360), (10680, 19104), (11392, 17910), (11520, 17711), (11940, 17088), (12736, 16020), (12816, 15920), (14240, 14328)]