80785740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{192347}}^1$

素因数の和:192366

約数の個数: 48

約数和(自身を含む): 258515712

約数和(自身を除く): 177729972

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 192347, 384694, 577041, 769388, 961735, 1154082, 1346429, 1923470, 2308164, 2692858, 2885205, 3846940, 4039287, 5385716, 5770410, 6732145, 8078574, 11540820, 13464290, 16157148, 20196435, 26928580, 40392870, 80785740]

約数ペア:

[(1, 80785740), (2, 40392870), (3, 26928580), (4, 20196435), (5, 16157148), (6, 13464290), (7, 11540820), (10, 8078574), (12, 6732145), (14, 5770410), (15, 5385716), (20, 4039287), (21, 3846940), (28, 2885205), (30, 2692858), (35, 2308164), (42, 1923470), (60, 1346429), (70, 1154082), (84, 961735), (105, 769388), (140, 577041), (210, 384694), (420, 192347)]