255808000

素因数分解:

$2^9\times 5^3\times 7^1\times {\mathrm{571}}^1$

素因数の和:611

約数の個数: 160

約数和(自身を含む): 730274688

約数和(自身を除く): 474466688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 125, 128, 140, 160, 175, 200, 224, 250, 256, 280, 320, 350, 400, 448, 500, 512, 560, 571, 640, 700, 800, 875, 896, 1000, 1120, 1142, 1280, 1400, 1600, 1750, 1792, 2000, 2240, 2284, 2560, 2800, 2855, 3200, 3500, 3584, 3997, 4000, 4480, 4568, 5600, 5710, 6400, 7000, 7994, 8000, 8960, 9136, 11200, 11420, 12800, 14000, 14275, 15988, 16000, 17920, 18272, 19985, 22400, 22840, 28000, 28550, 31976, 32000, 36544, 39970, 44800, 45680, 56000, 57100, 63952, 64000, 71375, 73088, 79940, 89600, 91360, 99925, 112000, 114200, 127904, 142750, 146176, 159880, 182720, 199850, 224000, 228400, 255808, 285500, 292352, 319760, 365440, 399700, 448000, 456800, 499625, 511616, 571000, 639520, 730880, 799400, 913600, 999250, 1023232, 1142000, 1279040, 1461760, 1598800, 1827200, 1998500, 2046464, 2284000, 2558080, 3197600, 3654400, 3997000, 4568000, 5116160, 6395200, 7308800, 7994000, 9136000, 10232320, 12790400, 15988000, 18272000, 25580800, 31976000, 36544000, 51161600, 63952000, 127904000, 255808000]

約数ペア:

[(1, 255808000), (2, 127904000), (4, 63952000), (5, 51161600), (7, 36544000), (8, 31976000), (10, 25580800), (14, 18272000), (16, 15988000), (20, 12790400), (25, 10232320), (28, 9136000), (32, 7994000), (35, 7308800), (40, 6395200), (50, 5116160), (56, 4568000), (64, 3997000), (70, 3654400), (80, 3197600), (100, 2558080), (112, 2284000), (125, 2046464), (128, 1998500), (140, 1827200), (160, 1598800), (175, 1461760), (200, 1279040), (224, 1142000), (250, 1023232), (256, 999250), (280, 913600), (320, 799400), (350, 730880), (400, 639520), (448, 571000), (500, 511616), (512, 499625), (560, 456800), (571, 448000), (640, 399700), (700, 365440), (800, 319760), (875, 292352), (896, 285500), (1000, 255808), (1120, 228400), (1142, 224000), (1280, 199850), (1400, 182720), (1600, 159880), (1750, 146176), (1792, 142750), (2000, 127904), (2240, 114200), (2284, 112000), (2560, 99925), (2800, 91360), (2855, 89600), (3200, 79940), (3500, 73088), (3584, 71375), (3997, 64000), (4000, 63952), (4480, 57100), (4568, 56000), (5600, 45680), (5710, 44800), (6400, 39970), (7000, 36544), (7994, 32000), (8000, 31976), (8960, 28550), (9136, 28000), (11200, 22840), (11420, 22400), (12800, 19985), (14000, 18272), (14275, 17920), (15988, 16000)]