20899144320

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{683}}^1\times {\mathrm{15937}}^1$

素因数の和:16642

約数の個数: 128

約数和(自身を含む): 66717743040

約数和(自身を除く): 45818598720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 683, 960, 1366, 1920, 2049, 2732, 3415, 4098, 5464, 6830, 8196, 10245, 10928, 13660, 15937, 16392, 20490, 21856, 27320, 31874, 32784, 40980, 43712, 47811, 54640, 63748, 65568, 79685, 81960, 87424, 95622, 109280, 127496, 131136, 159370, 163920, 191244, 218560, 239055, 254992, 262272, 318740, 327840, 382488, 437120, 478110, 509984, 637480, 655680, 764976, 956220, 1019968, 1274960, 1311360, 1529952, 1912440, 2039936, 2549920, 3059904, 3824880, 5099840, 6119808, 7649760, 10199680, 10884971, 15299520, 21769942, 30599040, 32654913, 43539884, 54424855, 65309826, 87079768, 108849710, 130619652, 163274565, 174159536, 217699420, 261239304, 326549130, 348319072, 435398840, 522478608, 653098260, 696638144, 870797680, 1044957216, 1306196520, 1393276288, 1741595360, 2089914432, 2612393040, 3483190720, 4179828864, 5224786080, 6966381440, 10449572160, 20899144320]

約数ペア:

[(1, 20899144320), (2, 10449572160), (3, 6966381440), (4, 5224786080), (5, 4179828864), (6, 3483190720), (8, 2612393040), (10, 2089914432), (12, 1741595360), (15, 1393276288), (16, 1306196520), (20, 1044957216), (24, 870797680), (30, 696638144), (32, 653098260), (40, 522478608), (48, 435398840), (60, 348319072), (64, 326549130), (80, 261239304), (96, 217699420), (120, 174159536), (128, 163274565), (160, 130619652), (192, 108849710), (240, 87079768), (320, 65309826), (384, 54424855), (480, 43539884), (640, 32654913), (683, 30599040), (960, 21769942), (1366, 15299520), (1920, 10884971), (2049, 10199680), (2732, 7649760), (3415, 6119808), (4098, 5099840), (5464, 3824880), (6830, 3059904), (8196, 2549920), (10245, 2039936), (10928, 1912440), (13660, 1529952), (15937, 1311360), (16392, 1274960), (20490, 1019968), (21856, 956220), (27320, 764976), (31874, 655680), (32784, 637480), (40980, 509984), (43712, 478110), (47811, 437120), (54640, 382488), (63748, 327840), (65568, 318740), (79685, 262272), (81960, 254992), (87424, 239055), (95622, 218560), (109280, 191244), (127496, 163920), (131136, 159370)]