78958980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{438661}}^1$

素因数の和:438676

約数の個数: 36

約数和(自身を含む): 239509452

約数和(自身を除く): 160550472

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 438661, 877322, 1315983, 1754644, 2193305, 2631966, 3947949, 4386610, 5263932, 6579915, 7895898, 8773220, 13159830, 15791796, 19739745, 26319660, 39479490, 78958980]

約数ペア:

[(1, 78958980), (2, 39479490), (3, 26319660), (4, 19739745), (5, 15791796), (6, 13159830), (9, 8773220), (10, 7895898), (12, 6579915), (15, 5263932), (18, 4386610), (20, 3947949), (30, 2631966), (36, 2193305), (45, 1754644), (60, 1315983), (90, 877322), (180, 438661)]