20244864000

素因数分解:

$2^{10}\times 3^1\times 5^3\times {\mathrm{52721}}^1$

素因数の和:52759

約数の個数: 176

約数和(自身を含む): 67343286816

約数和(自身を除く): 47098422816

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, 125, 128, 150, 160, 192, 200, 240, 250, 256, 300, 320, 375, 384, 400, 480, 500, 512, 600, 640, 750, 768, 800, 960, 1000, 1024, 1200, 1280, 1500, 1536, 1600, 1920, 2000, 2400, 2560, 3000, 3072, 3200, 3840, 4000, 4800, 5120, 6000, 6400, 7680, 8000, 9600, 12000, 12800, 15360, 16000, 19200, 24000, 25600, 32000, 38400, 48000, 52721, 64000, 76800, 96000, 105442, 128000, 158163, 192000, 210884, 263605, 316326, 384000, 421768, 527210, 632652, 790815, 843536, 1054420, 1265304, 1318025, 1581630, 1687072, 2108840, 2530608, 2636050, 3163260, 3374144, 3954075, 4217680, 5061216, 5272100, 6326520, 6590125, 6748288, 7908150, 8435360, 10122432, 10544200, 12653040, 13180250, 13496576, 15816300, 16870720, 19770375, 20244864, 21088400, 25306080, 26360500, 26993152, 31632600, 33741440, 39540750, 40489728, 42176800, 50612160, 52721000, 53986304, 63265200, 67482880, 79081500, 80979456, 84353600, 101224320, 105442000, 126530400, 134965760, 158163000, 161958912, 168707200, 202448640, 210884000, 253060800, 269931520, 316326000, 337414400, 404897280, 421768000, 506121600, 632652000, 674828800, 809794560, 843536000, 1012243200, 1265304000, 1349657600, 1687072000, 2024486400, 2530608000, 3374144000, 4048972800, 5061216000, 6748288000, 10122432000, 20244864000]

約数ペア:

[(1, 20244864000), (2, 10122432000), (3, 6748288000), (4, 5061216000), (5, 4048972800), (6, 3374144000), (8, 2530608000), (10, 2024486400), (12, 1687072000), (15, 1349657600), (16, 1265304000), (20, 1012243200), (24, 843536000), (25, 809794560), (30, 674828800), (32, 632652000), (40, 506121600), (48, 421768000), (50, 404897280), (60, 337414400), (64, 316326000), (75, 269931520), (80, 253060800), (96, 210884000), (100, 202448640), (120, 168707200), (125, 161958912), (128, 158163000), (150, 134965760), (160, 126530400), (192, 105442000), (200, 101224320), (240, 84353600), (250, 80979456), (256, 79081500), (300, 67482880), (320, 63265200), (375, 53986304), (384, 52721000), (400, 50612160), (480, 42176800), (500, 40489728), (512, 39540750), (600, 33741440), (640, 31632600), (750, 26993152), (768, 26360500), (800, 25306080), (960, 21088400), (1000, 20244864), (1024, 19770375), (1200, 16870720), (1280, 15816300), (1500, 13496576), (1536, 13180250), (1600, 12653040), (1920, 10544200), (2000, 10122432), (2400, 8435360), (2560, 7908150), (3000, 6748288), (3072, 6590125), (3200, 6326520), (3840, 5272100), (4000, 5061216), (4800, 4217680), (5120, 3954075), (6000, 3374144), (6400, 3163260), (7680, 2636050), (8000, 2530608), (9600, 2108840), (12000, 1687072), (12800, 1581630), (15360, 1318025), (16000, 1265304), (19200, 1054420), (24000, 843536), (25600, 790815), (32000, 632652), (38400, 527210), (48000, 421768), (52721, 384000), (64000, 316326), (76800, 263605), (96000, 210884), (105442, 192000), (128000, 158163)]