326331520

素因数分解:

$2^7\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1151}}^1$

素因数の和:1613

約数の個数: 64

約数和(自身を含む): 782576640

約数和(自身を除く): 456245120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 443, 640, 886, 1151, 1772, 2215, 2302, 3544, 4430, 4604, 5755, 7088, 8860, 9208, 11510, 14176, 17720, 18416, 23020, 28352, 35440, 36832, 46040, 56704, 70880, 73664, 92080, 141760, 147328, 184160, 283520, 368320, 509893, 736640, 1019786, 2039572, 2549465, 4079144, 5098930, 8158288, 10197860, 16316576, 20395720, 32633152, 40791440, 65266304, 81582880, 163165760, 326331520]

約数ペア:

[(1, 326331520), (2, 163165760), (4, 81582880), (5, 65266304), (8, 40791440), (10, 32633152), (16, 20395720), (20, 16316576), (32, 10197860), (40, 8158288), (64, 5098930), (80, 4079144), (128, 2549465), (160, 2039572), (320, 1019786), (443, 736640), (640, 509893), (886, 368320), (1151, 283520), (1772, 184160), (2215, 147328), (2302, 141760), (3544, 92080), (4430, 73664), (4604, 70880), (5755, 56704), (7088, 46040), (8860, 36832), (9208, 35440), (11510, 28352), (14176, 23020), (17720, 18416)]