21279576960

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{1231457}}^1$

素因数の和:1231485

約数の個数: 128

約数和(自身を含む): 75365229600

約数和(自身を除く): 54085652640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1152, 1440, 1728, 1920, 2160, 2880, 3456, 4320, 5760, 8640, 17280, 1231457, 2462914, 3694371, 4925828, 6157285, 7388742, 9851656, 11083113, 12314570, 14777484, 18471855, 19703312, 22166226, 24629140, 29554968, 33249339, 36943710, 39406624, 44332452, 49258280, 55415565, 59109936, 66498678, 73887420, 78813248, 88664904, 98516560, 110831130, 118219872, 132997356, 147774840, 157626496, 166246695, 177329808, 197033120, 221662260, 236439744, 265994712, 295549680, 332493390, 354659616, 394066240, 443324520, 472879488, 531989424, 591099360, 664986780, 709319232, 788132480, 886649040, 1063978848, 1182198720, 1329973560, 1418638464, 1773298080, 2127957696, 2364397440, 2659947120, 3546596160, 4255915392, 5319894240, 7093192320, 10639788480, 21279576960]

約数ペア:

[(1, 21279576960), (2, 10639788480), (3, 7093192320), (4, 5319894240), (5, 4255915392), (6, 3546596160), (8, 2659947120), (9, 2364397440), (10, 2127957696), (12, 1773298080), (15, 1418638464), (16, 1329973560), (18, 1182198720), (20, 1063978848), (24, 886649040), (27, 788132480), (30, 709319232), (32, 664986780), (36, 591099360), (40, 531989424), (45, 472879488), (48, 443324520), (54, 394066240), (60, 354659616), (64, 332493390), (72, 295549680), (80, 265994712), (90, 236439744), (96, 221662260), (108, 197033120), (120, 177329808), (128, 166246695), (135, 157626496), (144, 147774840), (160, 132997356), (180, 118219872), (192, 110831130), (216, 98516560), (240, 88664904), (270, 78813248), (288, 73887420), (320, 66498678), (360, 59109936), (384, 55415565), (432, 49258280), (480, 44332452), (540, 39406624), (576, 36943710), (640, 33249339), (720, 29554968), (864, 24629140), (960, 22166226), (1080, 19703312), (1152, 18471855), (1440, 14777484), (1728, 12314570), (1920, 11083113), (2160, 9851656), (2880, 7388742), (3456, 6157285), (4320, 4925828), (5760, 3694371), (8640, 2462914), (17280, 1231457)]