256418400

素因数分解:

$2^5\times 3^1\times 5^2\times 7^1\times {\mathrm{15263}}^1$

素因数の和:15293

約数の個数: 144

約数和(自身を含む): 953938944

約数和(自身を除く): 697520544

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 96, 100, 105, 112, 120, 140, 150, 160, 168, 175, 200, 210, 224, 240, 280, 300, 336, 350, 400, 420, 480, 525, 560, 600, 672, 700, 800, 840, 1050, 1120, 1200, 1400, 1680, 2100, 2400, 2800, 3360, 4200, 5600, 8400, 15263, 16800, 30526, 45789, 61052, 76315, 91578, 106841, 122104, 152630, 183156, 213682, 228945, 244208, 305260, 320523, 366312, 381575, 427364, 457890, 488416, 534205, 610520, 641046, 732624, 763150, 854728, 915780, 1068410, 1144725, 1221040, 1282092, 1465248, 1526300, 1602615, 1709456, 1831560, 2136820, 2289450, 2442080, 2564184, 2671025, 3052600, 3205230, 3418912, 3663120, 4273640, 4578900, 5128368, 5342050, 6105200, 6410460, 7326240, 8013075, 8547280, 9157800, 10256736, 10684100, 12210400, 12820920, 16026150, 17094560, 18315600, 21368200, 25641840, 32052300, 36631200, 42736400, 51283680, 64104600, 85472800, 128209200, 256418400]

約数ペア:

[(1, 256418400), (2, 128209200), (3, 85472800), (4, 64104600), (5, 51283680), (6, 42736400), (7, 36631200), (8, 32052300), (10, 25641840), (12, 21368200), (14, 18315600), (15, 17094560), (16, 16026150), (20, 12820920), (21, 12210400), (24, 10684100), (25, 10256736), (28, 9157800), (30, 8547280), (32, 8013075), (35, 7326240), (40, 6410460), (42, 6105200), (48, 5342050), (50, 5128368), (56, 4578900), (60, 4273640), (70, 3663120), (75, 3418912), (80, 3205230), (84, 3052600), (96, 2671025), (100, 2564184), (105, 2442080), (112, 2289450), (120, 2136820), (140, 1831560), (150, 1709456), (160, 1602615), (168, 1526300), (175, 1465248), (200, 1282092), (210, 1221040), (224, 1144725), (240, 1068410), (280, 915780), (300, 854728), (336, 763150), (350, 732624), (400, 641046), (420, 610520), (480, 534205), (525, 488416), (560, 457890), (600, 427364), (672, 381575), (700, 366312), (800, 320523), (840, 305260), (1050, 244208), (1120, 228945), (1200, 213682), (1400, 183156), (1680, 152630), (2100, 122104), (2400, 106841), (2800, 91578), (3360, 76315), (4200, 61052), (5600, 45789), (8400, 30526), (15263, 16800)]