20825616000

素因数分解:

$2^7\times 3^1\times 5^3\times 7^1\times {\mathrm{61981}}^1$

素因数の和:62020

約数の個数: 256

約数和(自身を含む): 78900606720

約数和(自身を除く): 58074990720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 64, 70, 75, 80, 84, 96, 100, 105, 112, 120, 125, 128, 140, 150, 160, 168, 175, 192, 200, 210, 224, 240, 250, 280, 300, 320, 336, 350, 375, 384, 400, 420, 448, 480, 500, 525, 560, 600, 640, 672, 700, 750, 800, 840, 875, 896, 960, 1000, 1050, 1120, 1200, 1344, 1400, 1500, 1600, 1680, 1750, 1920, 2000, 2100, 2240, 2400, 2625, 2688, 2800, 3000, 3200, 3360, 3500, 4000, 4200, 4480, 4800, 5250, 5600, 6000, 6720, 7000, 8000, 8400, 9600, 10500, 11200, 12000, 13440, 14000, 16000, 16800, 21000, 22400, 24000, 28000, 33600, 42000, 48000, 56000, 61981, 67200, 84000, 112000, 123962, 168000, 185943, 247924, 309905, 336000, 371886, 433867, 495848, 619810, 743772, 867734, 929715, 991696, 1239620, 1301601, 1487544, 1549525, 1735468, 1859430, 1983392, 2169335, 2479240, 2603202, 2975088, 3099050, 3470936, 3718860, 3966784, 4338670, 4648575, 4958480, 5206404, 5950176, 6198100, 6508005, 6941872, 7437720, 7747625, 7933568, 8677340, 9297150, 9916960, 10412808, 10846675, 11900352, 12396200, 13016010, 13883744, 14875440, 15495250, 17354680, 18594300, 19833920, 20825616, 21693350, 23242875, 23800704, 24792400, 26032020, 27767488, 29750880, 30990500, 32540025, 34709360, 37188600, 39667840, 41651232, 43386700, 46485750, 49584800, 52064040, 54233375, 55534976, 59501760, 61981000, 65080050, 69418720, 74377200, 83302464, 86773400, 92971500, 99169600, 104128080, 108466750, 119003520, 123962000, 130160100, 138837440, 148754400, 162700125, 166604928, 173546800, 185943000, 198339200, 208256160, 216933500, 247924000, 260320200, 277674880, 297508800, 325400250, 347093600, 371886000, 416512320, 433867000, 495848000, 520640400, 595017600, 650800500, 694187200, 743772000, 833024640, 867734000, 991696000, 1041280800, 1301601000, 1388374400, 1487544000, 1735468000, 2082561600, 2603202000, 2975088000, 3470936000, 4165123200, 5206404000, 6941872000, 10412808000, 20825616000]

約数ペア:

[(1, 20825616000), (2, 10412808000), (3, 6941872000), (4, 5206404000), (5, 4165123200), (6, 3470936000), (7, 2975088000), (8, 2603202000), (10, 2082561600), (12, 1735468000), (14, 1487544000), (15, 1388374400), (16, 1301601000), (20, 1041280800), (21, 991696000), (24, 867734000), (25, 833024640), (28, 743772000), (30, 694187200), (32, 650800500), (35, 595017600), (40, 520640400), (42, 495848000), (48, 433867000), (50, 416512320), (56, 371886000), (60, 347093600), (64, 325400250), (70, 297508800), (75, 277674880), (80, 260320200), (84, 247924000), (96, 216933500), (100, 208256160), (105, 198339200), (112, 185943000), (120, 173546800), (125, 166604928), (128, 162700125), (140, 148754400), (150, 138837440), (160, 130160100), (168, 123962000), (175, 119003520), (192, 108466750), (200, 104128080), (210, 99169600), (224, 92971500), (240, 86773400), (250, 83302464), (280, 74377200), (300, 69418720), (320, 65080050), (336, 61981000), (350, 59501760), (375, 55534976), (384, 54233375), (400, 52064040), (420, 49584800), (448, 46485750), (480, 43386700), (500, 41651232), (525, 39667840), (560, 37188600), (600, 34709360), (640, 32540025), (672, 30990500), (700, 29750880), (750, 27767488), (800, 26032020), (840, 24792400), (875, 23800704), (896, 23242875), (960, 21693350), (1000, 20825616), (1050, 19833920), (1120, 18594300), (1200, 17354680), (1344, 15495250), (1400, 14875440), (1500, 13883744), (1600, 13016010), (1680, 12396200), (1750, 11900352), (1920, 10846675), (2000, 10412808), (2100, 9916960), (2240, 9297150), (2400, 8677340), (2625, 7933568), (2688, 7747625), (2800, 7437720), (3000, 6941872), (3200, 6508005), (3360, 6198100), (3500, 5950176), (4000, 5206404), (4200, 4958480), (4480, 4648575), (4800, 4338670), (5250, 3966784), (5600, 3718860), (6000, 3470936), (6720, 3099050), (7000, 2975088), (8000, 2603202), (8400, 2479240), (9600, 2169335), (10500, 1983392), (11200, 1859430), (12000, 1735468), (13440, 1549525), (14000, 1487544), (16000, 1301601), (16800, 1239620), (21000, 991696), (22400, 929715), (24000, 867734), (28000, 743772), (33600, 619810), (42000, 495848), (48000, 433867), (56000, 371886), (61981, 336000), (67200, 309905), (84000, 247924), (112000, 185943), (123962, 168000)]