204311520

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{20269}}^1$

素因数の和:20297

約数の個数: 144

約数和(自身を含む): 796854240

約数和(自身を除く): 592542720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 20269, 40538, 60807, 81076, 101345, 121614, 141883, 162152, 182421, 202690, 243228, 283766, 304035, 324304, 364842, 405380, 425649, 486456, 567532, 608070, 648608, 709415, 729684, 810760, 851298, 912105, 972912, 1135064, 1216140, 1276947, 1418830, 1459368, 1621520, 1702596, 1824210, 1945824, 2128245, 2270128, 2432280, 2553894, 2837660, 2918736, 3243040, 3405192, 3648420, 4256490, 4540256, 4864560, 5107788, 5675320, 5837472, 6384735, 6810384, 7296840, 8512980, 9729120, 10215576, 11350640, 12769470, 13620768, 14593680, 17025960, 20431152, 22701280, 25538940, 29187360, 34051920, 40862304, 51077880, 68103840, 102155760, 204311520]

約数ペア:

[(1, 204311520), (2, 102155760), (3, 68103840), (4, 51077880), (5, 40862304), (6, 34051920), (7, 29187360), (8, 25538940), (9, 22701280), (10, 20431152), (12, 17025960), (14, 14593680), (15, 13620768), (16, 12769470), (18, 11350640), (20, 10215576), (21, 9729120), (24, 8512980), (28, 7296840), (30, 6810384), (32, 6384735), (35, 5837472), (36, 5675320), (40, 5107788), (42, 4864560), (45, 4540256), (48, 4256490), (56, 3648420), (60, 3405192), (63, 3243040), (70, 2918736), (72, 2837660), (80, 2553894), (84, 2432280), (90, 2270128), (96, 2128245), (105, 1945824), (112, 1824210), (120, 1702596), (126, 1621520), (140, 1459368), (144, 1418830), (160, 1276947), (168, 1216140), (180, 1135064), (210, 972912), (224, 912105), (240, 851298), (252, 810760), (280, 729684), (288, 709415), (315, 648608), (336, 608070), (360, 567532), (420, 486456), (480, 425649), (504, 405380), (560, 364842), (630, 324304), (672, 304035), (720, 283766), (840, 243228), (1008, 202690), (1120, 182421), (1260, 162152), (1440, 141883), (1680, 121614), (2016, 101345), (2520, 81076), (3360, 60807), (5040, 40538), (10080, 20269)]