1144286720

素因数分解:

$2^9\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1009}}^1$

素因数の和:1475

約数の個数: 80

約数和(自身を含む): 2752524720

約数和(自身を除く): 1608238000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 443, 512, 640, 886, 1009, 1280, 1772, 2018, 2215, 2560, 3544, 4036, 4430, 5045, 7088, 8072, 8860, 10090, 14176, 16144, 17720, 20180, 28352, 32288, 35440, 40360, 56704, 64576, 70880, 80720, 113408, 129152, 141760, 161440, 226816, 258304, 283520, 322880, 446987, 516608, 567040, 645760, 893974, 1134080, 1291520, 1787948, 2234935, 2583040, 3575896, 4469870, 7151792, 8939740, 14303584, 17879480, 28607168, 35758960, 57214336, 71517920, 114428672, 143035840, 228857344, 286071680, 572143360, 1144286720]

約数ペア:

[(1, 1144286720), (2, 572143360), (4, 286071680), (5, 228857344), (8, 143035840), (10, 114428672), (16, 71517920), (20, 57214336), (32, 35758960), (40, 28607168), (64, 17879480), (80, 14303584), (128, 8939740), (160, 7151792), (256, 4469870), (320, 3575896), (443, 2583040), (512, 2234935), (640, 1787948), (886, 1291520), (1009, 1134080), (1280, 893974), (1772, 645760), (2018, 567040), (2215, 516608), (2560, 446987), (3544, 322880), (4036, 283520), (4430, 258304), (5045, 226816), (7088, 161440), (8072, 141760), (8860, 129152), (10090, 113408), (14176, 80720), (16144, 70880), (17720, 64576), (20180, 56704), (28352, 40360), (32288, 35440)]