19960780800

素因数分解:

$2^{11}\times 3^1\times 5^2\times {\mathrm{129953}}^1$

素因数の和:129988

約数の個数: 144

約数和(自身を含む): 65988042120

約数和(自身を除く): 46027261320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 150, 160, 192, 200, 240, 256, 300, 320, 384, 400, 480, 512, 600, 640, 768, 800, 960, 1024, 1200, 1280, 1536, 1600, 1920, 2048, 2400, 2560, 3072, 3200, 3840, 4800, 5120, 6144, 6400, 7680, 9600, 10240, 12800, 15360, 19200, 25600, 30720, 38400, 51200, 76800, 129953, 153600, 259906, 389859, 519812, 649765, 779718, 1039624, 1299530, 1559436, 1949295, 2079248, 2599060, 3118872, 3248825, 3898590, 4158496, 5198120, 6237744, 6497650, 7797180, 8316992, 9746475, 10396240, 12475488, 12995300, 15594360, 16633984, 19492950, 20792480, 24950976, 25990600, 31188720, 33267968, 38985900, 41584960, 49901952, 51981200, 62377440, 66535936, 77971800, 83169920, 99803904, 103962400, 124754880, 133071872, 155943600, 166339840, 199607808, 207924800, 249509760, 266143744, 311887200, 332679680, 399215616, 415849600, 499019520, 623774400, 665359360, 798431232, 831699200, 998039040, 1247548800, 1330718720, 1663398400, 1996078080, 2495097600, 3326796800, 3992156160, 4990195200, 6653593600, 9980390400, 19960780800]

約数ペア:

[(1, 19960780800), (2, 9980390400), (3, 6653593600), (4, 4990195200), (5, 3992156160), (6, 3326796800), (8, 2495097600), (10, 1996078080), (12, 1663398400), (15, 1330718720), (16, 1247548800), (20, 998039040), (24, 831699200), (25, 798431232), (30, 665359360), (32, 623774400), (40, 499019520), (48, 415849600), (50, 399215616), (60, 332679680), (64, 311887200), (75, 266143744), (80, 249509760), (96, 207924800), (100, 199607808), (120, 166339840), (128, 155943600), (150, 133071872), (160, 124754880), (192, 103962400), (200, 99803904), (240, 83169920), (256, 77971800), (300, 66535936), (320, 62377440), (384, 51981200), (400, 49901952), (480, 41584960), (512, 38985900), (600, 33267968), (640, 31188720), (768, 25990600), (800, 24950976), (960, 20792480), (1024, 19492950), (1200, 16633984), (1280, 15594360), (1536, 12995300), (1600, 12475488), (1920, 10396240), (2048, 9746475), (2400, 8316992), (2560, 7797180), (3072, 6497650), (3200, 6237744), (3840, 5198120), (4800, 4158496), (5120, 3898590), (6144, 3248825), (6400, 3118872), (7680, 2599060), (9600, 2079248), (10240, 1949295), (12800, 1559436), (15360, 1299530), (19200, 1039624), (25600, 779718), (30720, 649765), (38400, 519812), (51200, 389859), (76800, 259906), (129953, 153600)]