256810080

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{971}}^1$

素因数の和:1037

約数の個数: 192

約数和(自身を含む): 881798400

約数和(自身を除く): 624988320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 29, 30, 32, 38, 40, 48, 57, 58, 60, 76, 80, 87, 95, 96, 114, 116, 120, 145, 152, 160, 174, 190, 228, 232, 240, 285, 290, 304, 348, 380, 435, 456, 464, 480, 551, 570, 580, 608, 696, 760, 870, 912, 928, 971, 1102, 1140, 1160, 1392, 1520, 1653, 1740, 1824, 1942, 2204, 2280, 2320, 2755, 2784, 2913, 3040, 3306, 3480, 3884, 4408, 4560, 4640, 4855, 5510, 5826, 6612, 6960, 7768, 8265, 8816, 9120, 9710, 11020, 11652, 13224, 13920, 14565, 15536, 16530, 17632, 18449, 19420, 22040, 23304, 26448, 28159, 29130, 31072, 33060, 36898, 38840, 44080, 46608, 52896, 55347, 56318, 58260, 66120, 73796, 77680, 84477, 88160, 92245, 93216, 110694, 112636, 116520, 132240, 140795, 147592, 155360, 168954, 184490, 221388, 225272, 233040, 264480, 276735, 281590, 295184, 337908, 368980, 422385, 442776, 450544, 466080, 535021, 553470, 563180, 590368, 675816, 737960, 844770, 885552, 901088, 1070042, 1106940, 1126360, 1351632, 1475920, 1605063, 1689540, 1771104, 2140084, 2213880, 2252720, 2675105, 2703264, 2951840, 3210126, 3379080, 4280168, 4427760, 4505440, 5350210, 6420252, 6758160, 8025315, 8560336, 8855520, 10700420, 12840504, 13516320, 16050630, 17120672, 21400840, 25681008, 32101260, 42801680, 51362016, 64202520, 85603360, 128405040, 256810080]

約数ペア:

[(1, 256810080), (2, 128405040), (3, 85603360), (4, 64202520), (5, 51362016), (6, 42801680), (8, 32101260), (10, 25681008), (12, 21400840), (15, 17120672), (16, 16050630), (19, 13516320), (20, 12840504), (24, 10700420), (29, 8855520), (30, 8560336), (32, 8025315), (38, 6758160), (40, 6420252), (48, 5350210), (57, 4505440), (58, 4427760), (60, 4280168), (76, 3379080), (80, 3210126), (87, 2951840), (95, 2703264), (96, 2675105), (114, 2252720), (116, 2213880), (120, 2140084), (145, 1771104), (152, 1689540), (160, 1605063), (174, 1475920), (190, 1351632), (228, 1126360), (232, 1106940), (240, 1070042), (285, 901088), (290, 885552), (304, 844770), (348, 737960), (380, 675816), (435, 590368), (456, 563180), (464, 553470), (480, 535021), (551, 466080), (570, 450544), (580, 442776), (608, 422385), (696, 368980), (760, 337908), (870, 295184), (912, 281590), (928, 276735), (971, 264480), (1102, 233040), (1140, 225272), (1160, 221388), (1392, 184490), (1520, 168954), (1653, 155360), (1740, 147592), (1824, 140795), (1942, 132240), (2204, 116520), (2280, 112636), (2320, 110694), (2755, 93216), (2784, 92245), (2913, 88160), (3040, 84477), (3306, 77680), (3480, 73796), (3884, 66120), (4408, 58260), (4560, 56318), (4640, 55347), (4855, 52896), (5510, 46608), (5826, 44080), (6612, 38840), (6960, 36898), (7768, 33060), (8265, 31072), (8816, 29130), (9120, 28159), (9710, 26448), (11020, 23304), (11652, 22040), (13224, 19420), (13920, 18449), (14565, 17632), (15536, 16530)]