161860020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:282

約数の個数: 192

約数和(自身を含む): 545287680

約数和(自身を除く): 383427660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 58, 60, 70, 84, 87, 97, 105, 116, 137, 140, 145, 174, 194, 203, 210, 274, 290, 291, 348, 388, 406, 411, 420, 435, 485, 548, 580, 582, 609, 679, 685, 812, 822, 870, 959, 970, 1015, 1164, 1218, 1358, 1370, 1455, 1644, 1740, 1918, 1940, 2030, 2037, 2055, 2436, 2716, 2740, 2813, 2877, 2910, 3045, 3395, 3836, 3973, 4060, 4074, 4110, 4795, 5626, 5754, 5820, 6090, 6790, 7946, 8148, 8220, 8439, 9590, 10185, 11252, 11508, 11919, 12180, 13289, 13580, 14065, 14385, 15892, 16878, 19180, 19691, 19865, 20370, 23838, 26578, 27811, 28130, 28770, 33756, 39382, 39730, 39867, 40740, 42195, 47676, 53156, 55622, 56260, 57540, 59073, 59595, 66445, 78764, 79460, 79734, 83433, 84390, 93023, 98455, 111244, 118146, 119190, 132890, 139055, 159468, 166866, 168780, 186046, 196910, 199335, 236292, 238380, 265780, 278110, 279069, 295365, 333732, 372092, 385381, 393820, 398670, 417165, 465115, 556220, 558138, 590730, 770762, 797340, 834330, 930230, 1116276, 1156143, 1181460, 1395345, 1541524, 1668660, 1860460, 1926905, 2312286, 2697667, 2790690, 3853810, 4624572, 5395334, 5581380, 5780715, 7707620, 8093001, 10790668, 11561430, 13488335, 16186002, 23122860, 26976670, 32372004, 40465005, 53953340, 80930010, 161860020]

約数ペア:

[(1, 161860020), (2, 80930010), (3, 53953340), (4, 40465005), (5, 32372004), (6, 26976670), (7, 23122860), (10, 16186002), (12, 13488335), (14, 11561430), (15, 10790668), (20, 8093001), (21, 7707620), (28, 5780715), (29, 5581380), (30, 5395334), (35, 4624572), (42, 3853810), (58, 2790690), (60, 2697667), (70, 2312286), (84, 1926905), (87, 1860460), (97, 1668660), (105, 1541524), (116, 1395345), (137, 1181460), (140, 1156143), (145, 1116276), (174, 930230), (194, 834330), (203, 797340), (210, 770762), (274, 590730), (290, 558138), (291, 556220), (348, 465115), (388, 417165), (406, 398670), (411, 393820), (420, 385381), (435, 372092), (485, 333732), (548, 295365), (580, 279069), (582, 278110), (609, 265780), (679, 238380), (685, 236292), (812, 199335), (822, 196910), (870, 186046), (959, 168780), (970, 166866), (1015, 159468), (1164, 139055), (1218, 132890), (1358, 119190), (1370, 118146), (1455, 111244), (1644, 98455), (1740, 93023), (1918, 84390), (1940, 83433), (2030, 79734), (2037, 79460), (2055, 78764), (2436, 66445), (2716, 59595), (2740, 59073), (2813, 57540), (2877, 56260), (2910, 55622), (3045, 53156), (3395, 47676), (3836, 42195), (3973, 40740), (4060, 39867), (4074, 39730), (4110, 39382), (4795, 33756), (5626, 28770), (5754, 28130), (5820, 27811), (6090, 26578), (6790, 23838), (7946, 20370), (8148, 19865), (8220, 19691), (8439, 19180), (9590, 16878), (10185, 15892), (11252, 14385), (11508, 14065), (11919, 13580), (12180, 13289)]