205168320

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{10177}}^1$

素因数の和:10207

約数の個数: 168

約数和(自身を含む): 806586144

約数和(自身を除く): 601417824

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, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1440, 1680, 2016, 2240, 2520, 2880, 3360, 4032, 5040, 6720, 10080, 10177, 20160, 20354, 30531, 40708, 50885, 61062, 71239, 81416, 91593, 101770, 122124, 142478, 152655, 162832, 183186, 203540, 213717, 244248, 284956, 305310, 325664, 356195, 366372, 407080, 427434, 457965, 488496, 569912, 610620, 641151, 651328, 712390, 732744, 814160, 854868, 915930, 976992, 1068585, 1139824, 1221240, 1282302, 1424780, 1465488, 1628320, 1709736, 1831860, 1953984, 2137170, 2279648, 2442480, 2564604, 2849560, 2930976, 3205755, 3256640, 3419472, 3663720, 4274340, 4559296, 4884960, 5129208, 5699120, 5861952, 6411510, 6838944, 7327440, 8548680, 9769920, 10258416, 11398240, 12823020, 13677888, 14654880, 17097360, 20516832, 22796480, 25646040, 29309760, 34194720, 41033664, 51292080, 68389440, 102584160, 205168320]

約数ペア:

[(1, 205168320), (2, 102584160), (3, 68389440), (4, 51292080), (5, 41033664), (6, 34194720), (7, 29309760), (8, 25646040), (9, 22796480), (10, 20516832), (12, 17097360), (14, 14654880), (15, 13677888), (16, 12823020), (18, 11398240), (20, 10258416), (21, 9769920), (24, 8548680), (28, 7327440), (30, 6838944), (32, 6411510), (35, 5861952), (36, 5699120), (40, 5129208), (42, 4884960), (45, 4559296), (48, 4274340), (56, 3663720), (60, 3419472), (63, 3256640), (64, 3205755), (70, 2930976), (72, 2849560), (80, 2564604), (84, 2442480), (90, 2279648), (96, 2137170), (105, 1953984), (112, 1831860), (120, 1709736), (126, 1628320), (140, 1465488), (144, 1424780), (160, 1282302), (168, 1221240), (180, 1139824), (192, 1068585), (210, 976992), (224, 915930), (240, 854868), (252, 814160), (280, 732744), (288, 712390), (315, 651328), (320, 641151), (336, 610620), (360, 569912), (420, 488496), (448, 457965), (480, 427434), (504, 407080), (560, 366372), (576, 356195), (630, 325664), (672, 305310), (720, 284956), (840, 244248), (960, 213717), (1008, 203540), (1120, 183186), (1260, 162832), (1344, 152655), (1440, 142478), (1680, 122124), (2016, 101770), (2240, 91593), (2520, 81416), (2880, 71239), (3360, 61062), (4032, 50885), (5040, 40708), (6720, 30531), (10080, 20354), (10177, 20160)]