21056256000

素因数分解:

$2^{11}\times 3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:112

約数の個数: 1152

約数和(自身を含む): 88361582400

約数和(自身を除く): 67305326400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 25, 26, 30, 32, 36, 37, 38, 39, 40, 45, 48, 50, 52, 57, 60, 64, 65, 72, 74, 75, 76, 78, 80, 90, 95, 96, 100, 104, 111, 114, 117, 120, 125, 128, 130, 144, 148, 150, 152, 156, 160, 171, 180, 185, 190, 192, 195, 200, 208, 222, 225, 228, 234, 240, 247, 250, 256, 260, 285, 288, 296, 300, 304, 312, 320, 325, 333, 342, 360, 370, 375, 380, 384, 390, 400, 416, 444, 450, 456, 468, 475, 480, 481, 494, 500, 512, 520, 555, 570, 576, 585, 592, 600, 608, 624, 640, 650, 666, 684, 703, 720, 740, 741, 750, 760, 768, 780, 800, 832, 855, 888, 900, 912, 925, 936, 950, 960, 962, 975, 988, 1000, 1024, 1040, 1110, 1125, 1140, 1152, 1170, 1184, 1200, 1216, 1235, 1248, 1280, 1300, 1332, 1368, 1406, 1425, 1440, 1443, 1480, 1482, 1500, 1520, 1536, 1560, 1600, 1625, 1664, 1665, 1710, 1776, 1800, 1824, 1850, 1872, 1900, 1920, 1924, 1950, 1976, 2000, 2048, 2080, 2109, 2220, 2223, 2250, 2280, 2304, 2340, 2368, 2375, 2400, 2405, 2432, 2470, 2496, 2560, 2600, 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2699520, 2736000, 2741700, 2770560, 2812000, 2841600, 2845440, 2886000, 2918400, 2924480, 2955264, 2964000, 2995200, 3078400, 3161600, 3163500, 3239424, 3290040, 3328000, 3374400, 3409920, 3427125, 3463200, 3509376, 3552000, 3556800, 3599360, 3648000, 3655600, 3694080, 3744000, 3793920, 3848000, 3952000, 4049280, 4112550, 4218000, 4262400, 4319232, 4329000, 4377600, 4386720, 4432896, 4446000, 4499200, 4552704, 4569500, 4617600, 4679168, 4736000, 4742400, 4864000, 4925440, 4992000, 5061600, 5264064, 5328000, 5399040, 5472000, 5483400, 5541120, 5624000, 5683200, 5690880, 5772000, 5848960, 5928000, 5990400, 6156800, 6323200, 6327000, 6478848, 6580080, 6748800, 6854250, 6926400, 7018752, 7104000, 7113600, 7198720, 7296000, 7311200, 7388160, 7488000, 7587840, 7696000, 7904000, 8098560, 8225100, 8436000, 8524800, 8658000, 8755200, 8773440, 8865792, 8892000, 8998400, 9139000, 9235200, 9358336, 9472000, 9484800, 9984000, 10123200, 10281375, 10528128, 10656000, 10798080, 10944000, 10966800, 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80985600, 82251000, 84225024, 85248000, 87734400, 89984000, 92352000, 93583360, 94848000, 101232000, 105281280, 107980800, 109668000, 110822400, 113817600, 116979200, 123136000, 131601600, 134976000, 138528000, 140375040, 142272000, 146224000, 161971200, 164502000, 168450048, 175468800, 179968000, 184704000, 189696000, 202464000, 210562560, 219336000, 221644800, 233958400, 263203200, 269952000, 277056000, 280750080, 284544000, 292448000, 323942400, 329004000, 350937600, 369408000, 404928000, 421125120, 438672000, 467916800, 526406400, 539904000, 554112000, 569088000, 584896000, 658008000, 701875200, 809856000, 842250240, 877344000, 1052812800, 1108224000, 1169792000, 1316016000, 1403750400, 1619712000, 1754688000, 2105625600, 2339584000, 2632032000, 3509376000, 4211251200, 5264064000, 7018752000, 10528128000, 21056256000]

約数ペア:

[(1, 21056256000), (2, 10528128000), (3, 7018752000), (4, 5264064000), (5, 4211251200), (6, 3509376000), (8, 2632032000), (9, 2339584000), (10, 2105625600), (12, 1754688000), (13, 1619712000), (15, 1403750400), (16, 1316016000), (18, 1169792000), (19, 1108224000), (20, 1052812800), (24, 877344000), (25, 842250240), (26, 809856000), (30, 701875200), (32, 658008000), (36, 584896000), (37, 569088000), (38, 554112000), (39, 539904000), (40, 526406400), (45, 467916800), (48, 438672000), (50, 421125120), (52, 404928000), (57, 369408000), (60, 350937600), (64, 329004000), (65, 323942400), (72, 292448000), (74, 284544000), (75, 280750080), (76, 277056000), (78, 269952000), (80, 263203200), (90, 233958400), (95, 221644800), (96, 219336000), (100, 210562560), (104, 202464000), (111, 189696000), (114, 184704000), (117, 179968000), (120, 175468800), (125, 168450048), (128, 164502000), (130, 161971200), (144, 146224000), (148, 142272000), (150, 140375040), (152, 138528000), (156, 134976000), (160, 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