20132976640

素因数分解:

$2^{11}\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1789}}^1$

素因数の和:1980

約数の個数: 192

約数和(自身を含む): 55591099200

約数和(自身を除く): 35458122560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 157, 160, 224, 256, 280, 314, 320, 448, 512, 560, 628, 640, 785, 896, 1024, 1099, 1120, 1256, 1280, 1570, 1789, 1792, 2048, 2198, 2240, 2512, 2560, 3140, 3578, 3584, 4396, 4480, 5024, 5120, 5495, 6280, 7156, 7168, 8792, 8945, 8960, 10048, 10240, 10990, 12523, 12560, 14312, 14336, 17584, 17890, 17920, 20096, 21980, 25046, 25120, 28624, 35168, 35780, 35840, 40192, 43960, 50092, 50240, 57248, 62615, 70336, 71560, 71680, 80384, 87920, 100184, 100480, 114496, 125230, 140672, 143120, 160768, 175840, 200368, 200960, 228992, 250460, 280873, 281344, 286240, 321536, 351680, 400736, 401920, 457984, 500920, 561746, 562688, 572480, 703360, 801472, 803840, 915968, 1001840, 1123492, 1125376, 1144960, 1404365, 1406720, 1602944, 1607680, 1831936, 1966111, 2003680, 2246984, 2250752, 2289920, 2808730, 2813440, 3205888, 3663872, 3932222, 4007360, 4493968, 4579840, 5617460, 5626880, 6411776, 7864444, 8014720, 8987936, 9159680, 9830555, 11234920, 11253760, 12823552, 15728888, 16029440, 17975872, 18319360, 19661110, 22469840, 25647104, 31457776, 32058880, 35951744, 39322220, 44939680, 62915552, 64117760, 71903488, 78644440, 89879360, 125831104, 128235520, 143806976, 157288880, 179758720, 251662208, 287613952, 314577760, 359517440, 503324416, 575227904, 629155520, 719034880, 1006648832, 1258311040, 1438069760, 2013297664, 2516622080, 2876139520, 4026595328, 5033244160, 10066488320, 20132976640]

約数ペア:

[(1, 20132976640), (2, 10066488320), (4, 5033244160), (5, 4026595328), (7, 2876139520), (8, 2516622080), (10, 2013297664), (14, 1438069760), (16, 1258311040), (20, 1006648832), (28, 719034880), (32, 629155520), (35, 575227904), (40, 503324416), (56, 359517440), (64, 314577760), (70, 287613952), (80, 251662208), (112, 179758720), (128, 157288880), (140, 143806976), (157, 128235520), (160, 125831104), (224, 89879360), (256, 78644440), (280, 71903488), (314, 64117760), (320, 62915552), (448, 44939680), (512, 39322220), (560, 35951744), (628, 32058880), (640, 31457776), (785, 25647104), (896, 22469840), (1024, 19661110), (1099, 18319360), (1120, 17975872), (1256, 16029440), (1280, 15728888), (1570, 12823552), (1789, 11253760), (1792, 11234920), (2048, 9830555), (2198, 9159680), (2240, 8987936), (2512, 8014720), (2560, 7864444), (3140, 6411776), (3578, 5626880), (3584, 5617460), (4396, 4579840), (4480, 4493968), (5024, 4007360), (5120, 3932222), (5495, 3663872), (6280, 3205888), (7156, 2813440), (7168, 2808730), (8792, 2289920), (8945, 2250752), (8960, 2246984), (10048, 2003680), (10240, 1966111), (10990, 1831936), (12523, 1607680), (12560, 1602944), (14312, 1406720), (14336, 1404365), (17584, 1144960), (17890, 1125376), (17920, 1123492), (20096, 1001840), (21980, 915968), (25046, 803840), (25120, 801472), (28624, 703360), (35168, 572480), (35780, 562688), (35840, 561746), (40192, 500920), (43960, 457984), (50092, 401920), (50240, 400736), (57248, 351680), (62615, 321536), (70336, 286240), (71560, 281344), (71680, 280873), (80384, 250460), (87920, 228992), (100184, 200960), (100480, 200368), (114496, 175840), (125230, 160768), (140672, 143120)]