81314760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{3511}}^1$

素因数の和:3718

約数の個数: 64

約数和(自身を含む): 245278080

約数和(自身を除く): 163963320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 193, 386, 579, 772, 965, 1158, 1544, 1930, 2316, 2895, 3511, 3860, 4632, 5790, 7022, 7720, 10533, 11580, 14044, 17555, 21066, 23160, 28088, 35110, 42132, 52665, 70220, 84264, 105330, 140440, 210660, 421320, 677623, 1355246, 2032869, 2710492, 3388115, 4065738, 5420984, 6776230, 8131476, 10164345, 13552460, 16262952, 20328690, 27104920, 40657380, 81314760]

約数ペア:

[(1, 81314760), (2, 40657380), (3, 27104920), (4, 20328690), (5, 16262952), (6, 13552460), (8, 10164345), (10, 8131476), (12, 6776230), (15, 5420984), (20, 4065738), (24, 3388115), (30, 2710492), (40, 2032869), (60, 1355246), (120, 677623), (193, 421320), (386, 210660), (579, 140440), (772, 105330), (965, 84264), (1158, 70220), (1544, 52665), (1930, 42132), (2316, 35110), (2895, 28088), (3511, 23160), (3860, 21066), (4632, 17555), (5790, 14044), (7022, 11580), (7720, 10533)]