280070400

素因数分解:

$2^8\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{503}}^1$

素因数の和:561

約数の個数: 216

約数和(自身を含む): 958063680

約数和(自身を除く): 677993280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 29, 30, 32, 40, 48, 50, 58, 60, 64, 75, 80, 87, 96, 100, 116, 120, 128, 145, 150, 160, 174, 192, 200, 232, 240, 256, 290, 300, 320, 348, 384, 400, 435, 464, 480, 503, 580, 600, 640, 696, 725, 768, 800, 870, 928, 960, 1006, 1160, 1200, 1280, 1392, 1450, 1509, 1600, 1740, 1856, 1920, 2012, 2175, 2320, 2400, 2515, 2784, 2900, 3018, 3200, 3480, 3712, 3840, 4024, 4350, 4640, 4800, 5030, 5568, 5800, 6036, 6400, 6960, 7424, 7545, 8048, 8700, 9280, 9600, 10060, 11136, 11600, 12072, 12575, 13920, 14587, 15090, 16096, 17400, 18560, 19200, 20120, 22272, 23200, 24144, 25150, 27840, 29174, 30180, 32192, 34800, 37120, 37725, 40240, 43761, 46400, 48288, 50300, 55680, 58348, 60360, 64384, 69600, 72935, 75450, 80480, 87522, 92800, 96576, 100600, 111360, 116696, 120720, 128768, 139200, 145870, 150900, 160960, 175044, 185600, 193152, 201200, 218805, 233392, 241440, 278400, 291740, 301800, 321920, 350088, 364675, 386304, 402400, 437610, 466784, 482880, 556800, 583480, 603600, 643840, 700176, 729350, 804800, 875220, 933568, 965760, 1094025, 1166960, 1207200, 1400352, 1458700, 1609600, 1750440, 1867136, 1931520, 2188050, 2333920, 2414400, 2800704, 2917400, 3219200, 3500880, 3734272, 4376100, 4667840, 4828800, 5601408, 5834800, 7001760, 8752200, 9335680, 9657600, 11202816, 11669600, 14003520, 17504400, 18671360, 23339200, 28007040, 35008800, 46678400, 56014080, 70017600, 93356800, 140035200, 280070400]

約数ペア:

[(1, 280070400), (2, 140035200), (3, 93356800), (4, 70017600), (5, 56014080), (6, 46678400), (8, 35008800), (10, 28007040), (12, 23339200), (15, 18671360), (16, 17504400), (20, 14003520), (24, 11669600), (25, 11202816), (29, 9657600), (30, 9335680), (32, 8752200), (40, 7001760), (48, 5834800), (50, 5601408), (58, 4828800), (60, 4667840), (64, 4376100), (75, 3734272), (80, 3500880), (87, 3219200), (96, 2917400), (100, 2800704), (116, 2414400), (120, 2333920), (128, 2188050), (145, 1931520), (150, 1867136), (160, 1750440), (174, 1609600), (192, 1458700), (200, 1400352), (232, 1207200), (240, 1166960), (256, 1094025), (290, 965760), (300, 933568), (320, 875220), (348, 804800), (384, 729350), (400, 700176), (435, 643840), (464, 603600), (480, 583480), (503, 556800), (580, 482880), (600, 466784), (640, 437610), (696, 402400), (725, 386304), (768, 364675), (800, 350088), (870, 321920), (928, 301800), (960, 291740), (1006, 278400), (1160, 241440), (1200, 233392), (1280, 218805), (1392, 201200), (1450, 193152), (1509, 185600), (1600, 175044), (1740, 160960), (1856, 150900), (1920, 145870), (2012, 139200), (2175, 128768), (2320, 120720), (2400, 116696), (2515, 111360), (2784, 100600), (2900, 96576), (3018, 92800), (3200, 87522), (3480, 80480), (3712, 75450), (3840, 72935), (4024, 69600), (4350, 64384), (4640, 60360), (4800, 58348), (5030, 55680), (5568, 50300), (5800, 48288), (6036, 46400), (6400, 43761), (6960, 40240), (7424, 37725), (7545, 37120), (8048, 34800), (8700, 32192), (9280, 30180), (9600, 29174), (10060, 27840), (11136, 25150), (11600, 24144), (12072, 23200), (12575, 22272), (13920, 20120), (14587, 19200), (15090, 18560), (16096, 17400)]