268540440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{319691}}^1$

素因数の和:319712

約数の個数: 64

約数和(自身を含む): 920712960

約数和(自身を除く): 652172520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 319691, 639382, 959073, 1278764, 1598455, 1918146, 2237837, 2557528, 3196910, 3836292, 4475674, 4795365, 6393820, 6713511, 7672584, 8951348, 9590730, 11189185, 12787640, 13427022, 17902696, 19181460, 22378370, 26854044, 33567555, 38362920, 44756740, 53708088, 67135110, 89513480, 134270220, 268540440]

約数ペア:

[(1, 268540440), (2, 134270220), (3, 89513480), (4, 67135110), (5, 53708088), (6, 44756740), (7, 38362920), (8, 33567555), (10, 26854044), (12, 22378370), (14, 19181460), (15, 17902696), (20, 13427022), (21, 12787640), (24, 11189185), (28, 9590730), (30, 8951348), (35, 7672584), (40, 6713511), (42, 6393820), (56, 4795365), (60, 4475674), (70, 3836292), (84, 3196910), (105, 2557528), (120, 2237837), (140, 1918146), (168, 1598455), (210, 1278764), (280, 959073), (420, 639382), (840, 319691)]