64612725

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{487}}^1$

素因数の和:590

約数の個数: 48

約数和(自身を含む): 112552320

約数和(自身を除く): 47939595

約数列:

[1, 3, 5, 15, 25, 29, 61, 75, 87, 145, 183, 305, 435, 487, 725, 915, 1461, 1525, 1769, 2175, 2435, 4575, 5307, 7305, 8845, 12175, 14123, 26535, 29707, 36525, 42369, 44225, 70615, 89121, 132675, 148535, 211845, 353075, 445605, 742675, 861503, 1059225, 2228025, 2584509, 4307515, 12922545, 21537575, 64612725]

約数ペア:

[(1, 64612725), (3, 21537575), (5, 12922545), (15, 4307515), (25, 2584509), (29, 2228025), (61, 1059225), (75, 861503), (87, 742675), (145, 445605), (183, 353075), (305, 211845), (435, 148535), (487, 132675), (725, 89121), (915, 70615), (1461, 44225), (1525, 42369), (1769, 36525), (2175, 29707), (2435, 26535), (4575, 14123), (5307, 12175), (7305, 8845)]