256460400

素因数分解:

$2^4\times 3^2\times 5^2\times 7^1\times {\mathrm{10177}}^1$

素因数の和:10208

約数の個数: 180

約数和(自身を含む): 1017230032

約数和(自身を除く): 760769632

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 48, 50, 56, 60, 63, 70, 72, 75, 80, 84, 90, 100, 105, 112, 120, 126, 140, 144, 150, 168, 175, 180, 200, 210, 225, 240, 252, 280, 300, 315, 336, 350, 360, 400, 420, 450, 504, 525, 560, 600, 630, 700, 720, 840, 900, 1008, 1050, 1200, 1260, 1400, 1575, 1680, 1800, 2100, 2520, 2800, 3150, 3600, 4200, 5040, 6300, 8400, 10177, 12600, 20354, 25200, 30531, 40708, 50885, 61062, 71239, 81416, 91593, 101770, 122124, 142478, 152655, 162832, 183186, 203540, 213717, 244248, 254425, 284956, 305310, 356195, 366372, 407080, 427434, 457965, 488496, 508850, 569912, 610620, 641151, 712390, 732744, 763275, 814160, 854868, 915930, 1017700, 1068585, 1139824, 1221240, 1282302, 1424780, 1465488, 1526550, 1709736, 1780975, 1831860, 2035400, 2137170, 2289825, 2442480, 2564604, 2849560, 3053100, 3205755, 3419472, 3561950, 3663720, 4070800, 4274340, 4579650, 5129208, 5342925, 5699120, 6106200, 6411510, 7123900, 7327440, 8548680, 9159300, 10258416, 10685850, 12212400, 12823020, 14247800, 16028775, 17097360, 18318600, 21371700, 25646040, 28495600, 32057550, 36637200, 42743400, 51292080, 64115100, 85486800, 128230200, 256460400]

約数ペア:

[(1, 256460400), (2, 128230200), (3, 85486800), (4, 64115100), (5, 51292080), (6, 42743400), (7, 36637200), (8, 32057550), (9, 28495600), (10, 25646040), (12, 21371700), (14, 18318600), (15, 17097360), (16, 16028775), (18, 14247800), (20, 12823020), (21, 12212400), (24, 10685850), (25, 10258416), (28, 9159300), (30, 8548680), (35, 7327440), (36, 7123900), (40, 6411510), (42, 6106200), (45, 5699120), (48, 5342925), (50, 5129208), (56, 4579650), (60, 4274340), (63, 4070800), (70, 3663720), (72, 3561950), (75, 3419472), (80, 3205755), (84, 3053100), (90, 2849560), (100, 2564604), (105, 2442480), (112, 2289825), (120, 2137170), (126, 2035400), (140, 1831860), (144, 1780975), (150, 1709736), (168, 1526550), (175, 1465488), (180, 1424780), (200, 1282302), (210, 1221240), (225, 1139824), (240, 1068585), (252, 1017700), (280, 915930), (300, 854868), (315, 814160), (336, 763275), (350, 732744), (360, 712390), (400, 641151), (420, 610620), (450, 569912), (504, 508850), (525, 488496), (560, 457965), (600, 427434), (630, 407080), (700, 366372), (720, 356195), (840, 305310), (900, 284956), (1008, 254425), (1050, 244248), (1200, 213717), (1260, 203540), (1400, 183186), (1575, 162832), (1680, 152655), (1800, 142478), (2100, 122124), (2520, 101770), (2800, 91593), (3150, 81416), (3600, 71239), (4200, 61062), (5040, 50885), (6300, 40708), (8400, 30531), (10177, 25200), (12600, 20354)]