72156910

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:330

約数の個数: 64

約数和(自身を含む): 153648000

約数和(自身を除く): 81491090

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 109, 193, 218, 245, 343, 386, 490, 545, 686, 763, 965, 1090, 1351, 1526, 1715, 1930, 2702, 3430, 3815, 5341, 6755, 7630, 9457, 10682, 13510, 18914, 21037, 26705, 37387, 42074, 47285, 53410, 66199, 74774, 94570, 105185, 132398, 147259, 186935, 210370, 294518, 330995, 373870, 661990, 736295, 1030813, 1472590, 2061626, 5154065, 7215691, 10308130, 14431382, 36078455, 72156910]

約数ペア:

[(1, 72156910), (2, 36078455), (5, 14431382), (7, 10308130), (10, 7215691), (14, 5154065), (35, 2061626), (49, 1472590), (70, 1030813), (98, 736295), (109, 661990), (193, 373870), (218, 330995), (245, 294518), (343, 210370), (386, 186935), (490, 147259), (545, 132398), (686, 105185), (763, 94570), (965, 74774), (1090, 66199), (1351, 53410), (1526, 47285), (1715, 42074), (1930, 37387), (2702, 26705), (3430, 21037), (3815, 18914), (5341, 13510), (6755, 10682), (7630, 9457)]