71759940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{170857}}^1$

素因数の和:170876

約数の個数: 48

約数和(自身を含む): 229633152

約数和(自身を除く): 157873212

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 170857, 341714, 512571, 683428, 854285, 1025142, 1195999, 1708570, 2050284, 2391998, 2562855, 3417140, 3587997, 4783996, 5125710, 5979995, 7175994, 10251420, 11959990, 14351988, 17939985, 23919980, 35879970, 71759940]

約数ペア:

[(1, 71759940), (2, 35879970), (3, 23919980), (4, 17939985), (5, 14351988), (6, 11959990), (7, 10251420), (10, 7175994), (12, 5979995), (14, 5125710), (15, 4783996), (20, 3587997), (21, 3417140), (28, 2562855), (30, 2391998), (35, 2050284), (42, 1708570), (60, 1195999), (70, 1025142), (84, 854285), (105, 683428), (140, 512571), (210, 341714), (420, 170857)]