61261480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{661}}^1$

素因数の和:1010

約数の個数: 64

約数和(自身を含む): 158244480

約数和(自身を除く): 96983000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 331, 661, 662, 1322, 1324, 1655, 2317, 2644, 2648, 3305, 3310, 4627, 4634, 5288, 6610, 6620, 9254, 9268, 11585, 13220, 13240, 18508, 18536, 23135, 23170, 26440, 37016, 46270, 46340, 92540, 92680, 185080, 218791, 437582, 875164, 1093955, 1531537, 1750328, 2187910, 3063074, 4375820, 6126148, 7657685, 8751640, 12252296, 15315370, 30630740, 61261480]

約数ペア:

[(1, 61261480), (2, 30630740), (4, 15315370), (5, 12252296), (7, 8751640), (8, 7657685), (10, 6126148), (14, 4375820), (20, 3063074), (28, 2187910), (35, 1750328), (40, 1531537), (56, 1093955), (70, 875164), (140, 437582), (280, 218791), (331, 185080), (661, 92680), (662, 92540), (1322, 46340), (1324, 46270), (1655, 37016), (2317, 26440), (2644, 23170), (2648, 23135), (3305, 18536), (3310, 18508), (4627, 13240), (4634, 13220), (5288, 11585), (6610, 9268), (6620, 9254)]